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This page is updated frequently with new Fluoropolymer-related patents. Subscribe to the Fluoropolymer RSS feed to automatically get the update: related Fluoropolymer RSS feeds.

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Date/App# patent app List of recent Fluoropolymer-related patents
04/17/14
20140107280
 Fluoroelastomer compositions having self-bonding characteristics and methods of making same patent thumbnailnew patent Fluoroelastomer compositions having self-bonding characteristics and methods of making same
Self-bonding curable fluoroelastomer compositions are provided wherein the compositions including a) a fluoropolymer composition having at least one curable fluoropolymer; and b) a compound selected from the group consisting of aluminum acrylates, silicon acrylates, and ammonia acrylates, wherein the self-bonding curable fluoroelastomer composition is able to bond directly to a substrate. Bonded structures formed of such self-bonding compositions and a substrate having a surface bonded thereto are also described herein along with a method for bonding a self-bonding curable fluoroelastomer composition to a substrate surface.
04/17/14
20140106997
 Lubricant compositions comprising boroxines and amine compounds to improve fluoropolymer seal compatibility patent thumbnailnew patent Lubricant compositions comprising boroxines and amine compounds to improve fluoropolymer seal compatibility
A lubricant composition including a boroxine compound is disclosed. A lubricant composition and additive package including a boroxine compound and an amine compound are also disclosed.
04/17/14
20140106996
 Lubricant compositions comprising boroxines and sterically hindered amines to improve fluoropolymer seal compatibility patent thumbnailnew patent Lubricant compositions comprising boroxines and sterically hindered amines to improve fluoropolymer seal compatibility
A lubricant composition including a boroxine compound is disclosed. A lubricant composition and additive package including a boroxine compound and a sterically hindered amine compound are also disclosed.
04/17/14
20140106162
 Low-wear fluoropolymer composites patent thumbnailnew patent Low-wear fluoropolymer composites
A low-wear fluoropolymer composite body comprises at least one fluoropolymer and additive particles dispersed therein. Also provided is a process for the fabrication of such a fluoropolymer composite body.
04/17/14
20140106156
 Compositions for treating textile fibers and floor coverings comprising the same patent thumbnailnew patent Compositions for treating textile fibers and floor coverings comprising the same
In one aspect, compositions are described herein which, in some embodiments, can improve or enhance the oil and soiling resistance of textile fibers, including fibers used in carpet and floor coverings. A composition described herein, in some embodiments, comprises a fluoropolymer component, a hydrophilic soil release polymeric component and a hardening component comprising one or more polymeric species having a glass transition temperature (tg) greater than about 85° c..
04/17/14
20140105955
 Thermoplastic fluoropolymer-coated medical devices patent thumbnailnew patent Thermoplastic fluoropolymer-coated medical devices
A medical device provided with at least a partial surface coating of a thermoplastic copolymer of tetrafluoroethylene and perfluoroalkylvinylether that is free of cross-linking monomers and curing agents. The fluoropolymer coating is preferably an amorphous thermoplastic, is highly inert and biocompatible, has elastomeric characteristics that provide desirable mechanical properties such as good flexibility and durability.
04/17/14
20140102758
 High temperature insulating tape and wire or cable sheathed therewith patent thumbnailnew patent High temperature insulating tape and wire or cable sheathed therewith
A composite coating includes a first layer, a second layer, and a fluoropolymer film disposed on the second layer. The first layer includes a polymer matrix with mica particles dispersed throughout, while the second layer includes a polyether ether ketone (peek)..
04/17/14
20140101945
 Formation of thin uniform coatings on blade edges using isostatic press patent thumbnailnew patent Formation of thin uniform coatings on blade edges using isostatic press
The invention discloses utilizing isostatic-press (ip) processes apply a polymeric material (e.g, a ptfe foil) to uncoated razor blade edges forming thin, dense, and uniform coatings on blade edges which in turn exhibit low initial cutting forces correlating with more comfortable shaves. The isostatic press may be a hot isostatic press (hip) or a cold isostatic press (cip) or any other isostatic press process.
04/10/14
20140100313
 Solvents for fluoropolymers patent thumbnailSolvents for fluoropolymers
The invention also relates to the solutions comprising the said solvent system and the said fluoropolymer, and to their uses in the manufacture of films, membranes and coatings.. .
04/10/14
20140100144
 Maintenance-free slide bearing with a combined adhesive sliding layer patent thumbnailMaintenance-free slide bearing with a combined adhesive sliding layer
Slide bearings and methods of producing slide bearings are disclosed. The slide bearing has a metal support and a sliding layer.
04/10/14
20140099461
Self-bonding fluoropolymers and methods of producing the same
A method of making expanded fluoropolymer articles thermally bonds portions of expanded fluoropolymers together, without using an adhesive or crushing force, to produce stronger bonds at the joint between the expanded fluoropolymers than the bonds within the constituent expanded fluoropolymers. The method involves placing the portions of expanded fluoropolymers to be thermally bonded together in intimate contact with each other after wet-stretching the expanded fluoropolymers, and removing the wetting agent used to wet-stretch the expanded fluoropolymers, without subsequent expansion or stretching, to yield an expanded fluoropolymer article exhibiting unexpected and superior properties that can be used in a variety of medical and industrial applications..
04/10/14
20140096694
Anti-marking jackets comprised of fluoropolymer and methods of using in offset printing
In a printing press having a blanket for transferring a print image to a substrate, a blanket cleaning device. The device comprises a feed cylinder, a continuous tape having an adhesive on one surface initially stored on the feed cylinder, a take-up cylinder configured to take-up consumed continuous tape, and a drive mechanism synchronized to the rotation of a blanket cylinder that rotates the feed cylinder and the take-up cylinder, whereby the continuous tape removes surfactants from the blanket..
04/03/14
20140094564
Article prepared from clean fluoropolymers
There is provided an article prepared from a fluoroelastomer, the fluoroelastomer being derived from an emulsion, the emulsion comprising a fluorinated emulsifier represented by the formula f—(cf2)t—[o(cf2)n]m—o—(chf)o—(cf2)p—x.. .
04/03/14
20140094546
Fluoropolymer coatings
The present invention relates to a fluoropolymer coating having improved tribological properties, which coating comprises nanodiamond particles in a concentration between 0.01 wt. % and 5 wt.
04/03/14
20140090257
Formation of thin uniform coatings on blade edges using isostatic press
The invention discloses isostatic-pressing (ip) applied to polymer (e.g., ptfe) coated razor blade edges to produce thin, dense, and uniform blade edges which in turn exhibit low initial cutting forces correlating with a more comfortable shaves. The isostatic press utilized may be a hot isostatic press (hip) or cold isostatic press (cip) or any other isostatic press process.
03/27/14
20140087195
Chlorofluoropolymer coated substrates and methods for producing the same
Disclosed is a coated substrate, which includes a substrate comprising a cellulosic fiber material and a copolymer coated in a thin film on at least one surface of the substrate. The copolymer has at least two comonomer units of the formula: cx2cya, wherein each x is independently selected from the group consisting of h, cl and f; y is selected from the group consisting of h, cl, f, o(cz2)ncz3, (cz2)ncz3, (ocz2cz2)ncz3 and (o(cz2)n)ncz3, wherein each n is independently from about 1 to about 12 and each z is independently selected from the group consisting of h, cl and f; and a is selected from the group consisting of h, cl and f; provided that for at least one comonomer unit, at least one of a, y, and either x or any z is cl..
03/27/14
20140083550
Process for lining metal pipelines
The present invention pertains to a process for lining a metal pipeline, said process comprising the following steps: (i) processing a thermoplastic fluoropolymer composition to yield a pipe liner having an outer diameter greater than the inner diameter of said metal pipeline, said thermoplastic fluoropolymer composition comprising: (a) from 10% to 60% by weight, on the total weight of polymer (a) and polymer (b) of at least one vinylidene fluoride (vdf) homopolymer [polymer (a)], (b) from 40% to 90% by weight, based on the total weight of polymer (a) and polymer (b) of at least one vdf copolymer comprising from 2% to 15% by moles of recurring units derived from at least one other fluorinated comonomer (f) [polymer (b)], and (ii) deforming said pipe liner, (iii) introducing the deformed pipe liner in said metal pipeline; and (iv) expanding the deformed pipe liner to fit with the inner diameter of said metal pipeline. The present invention also relates to a pipeline system..
03/20/14
20140077402
Humidification cell
A humidification cell of a fuel cell apparatus includes a first outer plate and a second outer plate. A gas chamber, a humidification water chamber, and a water-permeable membrane that separates the two chambers are disposed between the first outer plate and the second outer plate starting from the first outer plate.
03/20/14
20140076606
Subterranean cable
The present invention relates to a cable comprising three conductors and three insulator layers, wherein the conductors and the insulators extend helically along a longitudinal axis of the cable, wherein the insulator layers are axially external to the conductors, and wherein the insulator layers comprise a fluoropolymer, as well as a method of manufacturing said cable, and a method for transmitting electricity using the cable.. .
03/20/14
20140076597
Subterranean cable
The present invention relates to a cable comprising a first conductor and a first insulator layer, wherein the first conductor and the first insulator extend along a longitudinal axis of the cable, wherein the first insulator layer is axially external to the conductor, and wherein the first insulator layer comprises a first fluoropolymer, as well as a method of manufacturing said cable, and a method for transmitting electricity using the cable.. .
03/13/14
20140069708
Coated sensor or rfid-housing
A coated sensor or rfid housing is provided including at least one housing cover (1) which is twice coated in at least some areas. The housing cover (1) includes a base (a), on which a first coating (b) of a porous ceramic is provided and on which a second coating (c) is also provided.
03/13/14
20140069442
Method of printing indicia on earplugs, apparatus for performing such method and earplugs made from same
An embodiment of the present invention is directed to an earplug that includes a cylindrical body having a pair of faces positioned on opposite sides of the cylindrical body, and indicia printed on at least one face of the pair of faces. Other embodiments of the present invention are directed to a method and a system for producing the earplug having indicia thereon.
03/06/14
20140065551
Lithographic pattern development process for amorphous fluoropolymer
Here we disclose a lithographic pattern development process for amorphous fluoropolymers. Amorphous fluoropolymers are a class of plastic materials with high chemical inertness and favorable optical properties.
03/06/14
20140065370
Fouling and stiction resistant coating
A fouling and stiction-resistant coating suitable for use with marine streamers is made from a silicone undercoat layer and a powdery topcoat layer. The powdery topcoat layer is preferably a non-toxic fluoropolymer which has a low surface energy, a high modulus, and which is not continuous.
03/06/14
20140062253
Constructing an electric machine
The present specification describes systems, methods, and apparatuses for bonding core laminations for electric machines (e.g., stators, actuators, sensors, etc.) using fluoropolymer films. A first metallic lamination can be aligned together with a second metallic lamination with a fluoropolymer in-between.
03/06/14
20140060859
Mixture for abating combustion by a li-ion battery
Abatement of combustion by li-ion battery is achieved by positioning a mixture comprising a thermally destabilizable solid fluoropolymer and a fluorinated composition with respect to the battery, the positioning being effective to provide the abatement of combustion of the battery, the mixture preferably being a semi-solid and having the proximity to the battery to provide the combustion abatement effect, preferably as a coating on at least a portion of the battery.. .
03/06/14
20140060606
Thermocouple ribbon and assembly
A thermocouple ribbon features a pair of flat conductors and first and second layers of a polymide film covering the conductors. The polyimide film preferably is coated with a fluoropolymer, such as fluorinated ethylene propylene (fep).
03/06/14
20140060153
Apparatus and method for improved acoustical transformation
An acoustical transformer having a last matching section that includes a protective barrier of low permeability. The protective barrier is in contact with a test medium.
02/20/14
20140050879
Method and treatment composition for imparting durable antimicrobial properties to carpet
Methods and treatment compositions for imparting durable antimicrobial properties to carpet are provided. The method includes applying a composition comprising a first antimicrobial compound and a fluoropolymer to the carpet substrate.
02/20/14
20140050841
Laser-engraveable elements and method of use
A composition comprises a fluoropolymer such as an elastomeric fluoropolymer and at least 1 weight % of a fluoro-functionalized near-infrared radiation absorber. This composition can be formed into laser-engraveable layers for various elements that can be laser-engraved to provide relief images.
02/20/14
20140048490
Treating wastewater by ultrafiltration in fluoropolymer resin manufacture
Removing the fluoropolymer resin waste solids from the wastewater.. .
02/20/14
20140048125
Solar cell backsheet with improved adhesion to encapsulant
Disclosed herein is a heat pressed multi-layer fluoropolymer film or sheet having improved bonding strength to a polyolefin film or sheet and methods for preparing the same, and which methods comprise the steps of (i) providing a multi-layer fluoropolymer film or sheet comprising an oriented fluoropolymer film or sheet layer and an oriented polyester film or sheet layer that is laminated to the oriented fluoropolymer film or sheet layer, wherein the oriented fluoropolymer film or sheet layer is positioned to provide one of the two outer surface layers of the multi-layer fluoropolymer film or sheet, and wherein the oriented fluoropolymer film or sheet layer consists essentially of a fluoropolymer and the oriented polyester film or sheet layer consists essentially of a polyester: and (ii) heat pressing the multi-layer fluoropolymer film or sheet by a heat press means, wherein the heat press means is set at such conditions that the multi-layer fluoropolymer film or sheet receives a pressure of about 0.01-50 kgf/cm2 and a heat of about 150° c.-260° c. Further disclosed herein solar cell modules comprising backsheets formed of the heat pressed multi-layer fluoropolymer films or sheets..
02/13/14
20140045977
Novel ionic liquids, functionalized particulates, and fluoropolymer composites
The present invention relates to (i) novel fluoroionic compounds capable of dispersing particulate filler compositions into a fluoropolymer; (ii) novel particulate compositions in which particulates are surface-functionalized with a fluoroionic compound; (iii) fluoropolymer composite materials containing the surface-functionalized particulates of (ii) incorporated into a fluoropolymer; (iv) crosslinked versions of (iii); v) methods for producing the crosslinked material of (iv); and (vi) articles of manufacture containing the compositions (iii) and (iv).. .
02/13/14
20140044974
Inert substrate-bonded fluoroelastomer components and related methods
Also included are methods of bonding a fluoroelastomer composition to an inert substrate that may be, for example, a metal substrate or a ketone-based polymer substrate. The methods include contacting a curable fluoroelastomer composition to an inert substrate and curing the fluoroelastomer composition to form a bond between the composition and the inert substrate.
02/13/14
20140042077
Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro -terpolymer bonded end portion(s)
A hollow fiber membrane fluid transport device is disclosed wherein the fibers are comprised of polytetrafluoroethylene (ptfe), and the potting materials are comprised of fluorocopolymer and or fluoroterpolymer based materials. The potting of the device utilizes a compressed chemically resistant fluorocopolymer and or fluoroterpolymer film, allows for ease of manufacture without destruction of the ptfe hollow fibers, with high packing densities, and without the processing complexity of pre-melting, extruding, or chemical crosslinking of any polymeric adhesives.
02/13/14
20140042076
Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro -terpolymer bonded end portion(s)
A hollow fiber membrane fluid transport device is disclosed wherein the fibers are comprised of polytetrafluoroethylene (ptfe), and the potting materials are comprised of fluorocopolymer and or fluoroterpolymer based materials. The potting of the device utilizes a compressed chemically resistant fluorocopolymer and or fluoroterpolymer film, allows for ease of manufacture without destruction of the ptfe hollow fibers, with high packing densities, and without the processing complexity of pre-melting, extruding, or chemical crosslinking of any polymeric adhesives.
02/13/14
20140041789
Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro -terpolymer bonded end portion(s) and method to fabricate
A hollow fiber membrane fluid transport device's method of manufacture is disclosed wherein the fibers are comprised of polytetrafluoroethylene (ptfe), and the potting materials are comprised of fluoropolymer based materials. The potting method described herein, utilizes a compressed chemically resistant fluorocopolymer and or fluoroterpolymer film, allows for ease of manufacture without destruction of the ptfe hollow fibers, with high packing densities, and without the processing complexity of pre-melting, extruding, or chemical crosslinking of any polymeric adhesives.
02/13/14
20140041788
Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro -terpolymer bonded end portion(s)
A hollow fiber membrane fluid transport device's method of manufacture is disclosed wherein the fibers are comprised of polytetrafluoroethylene (ptfe), and the potting materials are comprised of fluoropolymer based materials. The potting method described herein, utilizes a compressed chemically resistant fluorocopolymer and or fluoroterpolymer film, allows for ease of manufacture without destruction of the ptfe hollow fibers, with high packing densities, and without the processing complexity of pre-melting, extruding, or chemical crosslinking of any polymeric adhesives.
02/06/14
20140034225
Composition comprising ethylene copolymer and polyolefin
Disclosed are compositions of ethylene/(meth)acrylate copolymers, polyolefins (for example, polyethylene and polypropylene), tackifier resins and optional fillers that provide strong hermetic adhesion to fluoropolymers such as pctfe. These compositions can be useful as an adhesive layer in multilayer structures prepared by extrusion lamination.
02/06/14
20140034177
Bio-pharmaceutical hose
A hose for use in bio-pharmaceutical applications includes an innermost tubular layer made from a fluoropolymer material. The tubular layer has an inner, relatively smooth and pure surface that defines an opening for transfer of various media.
01/30/14
20140031469
Aqueous fluoropolymer dispersion
The present invention provides an aqueous fluoropolymer dispersion that shows favorable dispersion stability and is less likely to have a ph decrease even after storage for a long period of time. The present invention provides an aqueous fluoropolymer dispersion including: a fluoropolymer; a fluorine free surfactant; at least one organic electrolyte selected from the group consisting of hydroxy monocarboxylic acids, hydroxy dicarboxylic acids, tricarboxylic acids, and amino acids; and a fluorine-containing anionic surfactant containing not more than 7 carbon atoms..
01/30/14
20140030514
Blended fluorosilicone release materials
Blended release materials including a blend of a fluoro-functional silicone release polymer and a fluoropolymer are described. Exemplary fluoropolymers include fluoroolefin-based polymers and linear fluoropolymers including linear fluoroacryaltes.
01/30/14
20140027948
System and method for producing particles and patterned films
A system including a mold having a fluoropolymer wherein the mold defines a plurality of cavities having a predetermined shape and a cross-sectional dimension less than about 100 micrometers; a roller; a surface in cooperation with the roller to form a nip point configured to receive the mold, wherein the nip point is further configured to receive a substantially liquid composition and accelerate entry of the substantially liquid composition into the cavity. A method of forming particles including applying a substantially liquid composition to a mold, wherein the mold comprises a fluoropolymer and defines a plurality of cavities each having a broadest cross-sectional dimension of less than about 100 micrometers; nipping the mold between a roller and a surface such that the substantially liquid composition enters the cavities of the mold; and hardening the substantially liquid composition in the cavities of the mold to form a particle within each cavity, wherein the particle has a size and shape that substantially mimics the size and shape of the cavity of the mold..
01/30/14
20140027711
Quantum dots, method, and devices
A quantum dot including a fluorine-containing ligand attached to a surface thereof and having a coating comprising a fluoropolymer over at least a portion of the outer surface of the quantum dot. A method for preparing a quantum dot with a coating comprising a fluoropolymer over at least a portion of the outer surface of the quantum dot is also disclosed.
01/30/14
20140027152
Power cable system
A technique facilitates the provision of electrical power in harsh environments, such as subterranean environments. The technique employs a power cable having at least one conductor and a polyimide insulation layer disposed about the conductor.
01/23/14
20140023817
Wear resistant thermoplastic copolyester elastomer
An elastomeric polymer composition is disclosed that is wear resistant at a broad range of temperatures. The composition contains a thermoplastic elastomer, such as a thermoplastic polyester elastomer, that forms a polymer matrix in products made from the polymer composition.
01/23/14
20140021145
Filtration article with fluoropolymer knit
Disclosed is a filtration article comprising a first layer comprising porous ptfe for fluid filtration (e.g., a ptfe membrane), and a second layer comprising strands of fluoropolymer fibers arranged to form a stable knit. The knit layer comprises interlocking regions that are each defined by corresponding sets of at least two interlocking loop portions of the fluoropolymer fiber strands.
01/16/14
20140018499
Nucleation in aqueous polymerization of fluoromonomer
A process is provided for polymerizing fluoromonomer in an aqueous medium, wherein a dispersion of essentially surfactant-free hydrocarbon-containing oleophilic nucleation sites is first formed in the aqueous medium, and then polymerization is commenced to form a dispersion of fluoropolymer particles at the oleophilic nucleation sites, wherein the nucleation sites can be derived from hydrocarbon-containing compound. The surfactant used to stabilize the fluoropolymer dispersion can also be hydrocarbon-containing..
01/16/14
20140016974
Fuser system
The present teachings provide a fuser system for use in a xerographic apparatus. The fuser system includes a fuser roller and a pressure roller.
01/09/14
20140011933
Amorphous perfluoropolymers comprising zirconium oxide nanoparticles
Described herein is a curable fluoropolymer composition comprising: an amorphous perfluoropolymer; and nano-particles of zirconium oxide.. .
01/02/14
20140005333
Microemulsions and fluoropolymers made using microemulsions
There are provided microemulsions derived from compositions containing oligomeric fluorosulfinic compounds and/or ethylenically unsaturated, polymerizable monomeric fluorosulfinic compounds and to their uses in (co)polymerization processes in aqueous emulsion of fluorinated monomers.. .
01/02/14
20140005325
High melting fluoropolymers
The invention relates to a method for making copolymers of 2,3,3,3-tetrafluoropropene and vinylidene fluoride by an emulsion polymerization process having unexpectedly high melting temperatures, even at low crystallinity levels. The invention involves adjusting the microstructure of the copolymers through a controlled polymerization to obtain controlled microstructure copolymers with unique properties, including those with high melting temperature and low crystallinity..
01/02/14
20140004333
Use of an ionic fluoropolymer as antistatic coating
The present invention relates to the use of an ionic fluoropolymer in its h-form for the formation of an antistatic coating on a non-conductive substrate, and to a cable comprising an outermost non-conductive layer with a coating thereon which comprises an ionic fluoropolymer in its h-form.. .
01/02/14
20140000681
Photovoltaic module back-sheet and process of manufacture
A back-sheet for a photovoltaic module is provided. A process for forming a back-sheet for a photovoltaic module includes the steps of providing a fluoropolymer film, providing a polymer melt comprising 20 to 95 weight percent ethylene propylene diene terpolymer, 5 to 70 weight percent of inorganic particulates, and 0 to 50 weight percent of adhesive selected from thermoplastic polymer adhesives and tackifiers, and depositing the polymer melt directly on the fluoropolymer film and pressing the fluoropolymer film and polymer melt together and cooling the polymer melt to form a first polymer layer adhered to the fluoropolymer film..
01/02/14
20140000674
Photovoltaic module back-sheet and process of manufacture
An integrated back-sheet for a photovoltaic module is provided. A process for forming the back-sheet includes the steps of providing a fluoropolymer film, providing a polymer melt comprising 10 to 85 weight percent olefin-based elastomer, 5 to 75 weight percent of inorganic particulates, and 5 to 80 weight percent of adhesive selected from thermoplastic polymer adhesives and tackifiers, and depositing the polymer melt directly on the fluoropolymer film to form a polymer layer with a surface adhered directly to the fluoropolymer film.
12/26/13
20130345381
Synthesis of making 2,3,3,3-tetrafluoropropene containing fluoropolymers
The invention relates to a method for synthesizing 2,3,3,3-tetrafluoropropene containing fluoropolymers using non-fluorinated surfactants in an emulsion process. No fluorinated surfactants are used in the process, and a persulfate initiator is used as the primary initiator.
12/26/13
20130345368
Fluoropolymer resin treatment employing melt extrusion and exposure to oxygen source to reduce discoloration
Exposing said molten fluoropolymer resin to an oxygen source during said melt extruding.. .
12/26/13
20130344341
Fluoropolymer coated articles
Provided is an article comprising a bearing, wherein the bearing has disposed upon it a fluoropolymer composition. The fluoropolymer composition comprises a fluoropolymer and a ph-dependent surfactant..
12/19/13
20130338298
Concentrated fluoropolymer dispersions stabilized with anionic polyelectrolyte dispersing agents
An aqueous fluoropolymer dispersion comprising fluoropolymer particles having an average particle size of about 10 to about 400 nm. The dispersion has a solids content of at least about 35 to about 70 wt % and comprises about 0.03 wt % to about 10 wt % anionic polyelectrolyte dispersing agent based on the weight of fluoropolymer solids.
12/19/13
20130337250
Modified perfluoropolymer material
An improved perfluoropolymer composite that uses a blend of a perfluoropolymer (such as ptfe) and a silicone polymer. By coating a substrate, such as glass fiber fabric, with a blend of a perfluoropolymer and a silicone polymer, an adhesive layer can be bonded either directly to the surface of the perfluoropolymer composite or to a perfluoropolymer composite that has been primed without the need to have otherwise treated the perfluoropolymer surface, such as either by etching or by the deposition of an intermediate coating containing colloidal silica or other similar agents, to make the surface bondable..
12/12/13
20130327649
Biosensor and method of manufacturing such a biosensor
A method of manufacturing a biosensor having a microbeam linked to a support, at least one electrode a biological molecule a grafted onto the microbeam in a different zone from the zone where the electrode is embedded, and a mechanoelectrical transducer for converting variations of the mechanical properties of the microbeam into an electrical signal, when the biological molecule a is placed in contact with a biological molecule b to be detected and/or quantified. The method includes: formation of an electrode on fluoropolymer material sheet, passivation of the electrode(s), creation of the form of the biosensor in the sheet of polymer material and separation of this form from the sheet, functionalization either of a prefunctionalized zone or of a zone of the microbeam, this zone being different from the zone wherein the electrode is embedded, and grafting of a biological molecule a onto the functionalized zone..
12/05/13
20130319510
Fluoropolymer-based film for photovoltaic application
The present invention relates to a composition comprising a fluoropolymer and two white inorganic fillers, the said composition being intended for the manufacture of thin monolayer films which are opaque to visible light and to uv rays and which can be used in particular in the field of photovoltaic cells. This composition consists of at least one fluoropolymer and of two white inorganic fillers, which are zinc oxide and titanium oxide; they are present in a proportion by weight ranging from 5 to 30% and from 3 to 7.5% respectively, the said composition additionally comprises less than 5% by weight of acrylic polymer, with respect to the total weight of the composition..
11/28/13
20130312604
Fluoropolymer gas separation films
The invention relates to a novel film, membrane or powder media made from fluoropolymers, especially pvdf-based and etfe-based polymers, which are suitable for separating gases, especially carbon dioxide, from a gas mixture. The novel film has good selectivity, high permeance, good mechanical properties, and exhibits a high resistance to oxidant and acid attack.
11/21/13
20130307073
Fluoropolymer mask for transistor channel definition
A method is provided for controlling the channel length in a thin-film transistor (tft). The method forms a printed ink first source/drain (s/d) structure overlying a substrate.
11/14/13
20130303718
Fluoropolymer dispersion treatment employing oxidizing agent to reduce fluoropolymer resin discoloration
Exposing the aqueous fluoropolymer dispersion to oxidizing agent.. .
11/14/13
20130303717
Fluoropolymer dispersion treatment employing oxidizing agent to reduce fluoropolymer resin discoloration
Exposing the aqueous fluoropolymer dispersion to oxidizing agent.. .
11/14/13
20130303716
Drying wet fluoropolymer resin and exposing to oxygen source to reduce discoloration
Exposing the wet fluoropolymer resin to an oxygen source during drying.. .
11/14/13
20130303715
Fluoropolymer resin treatment employing heating and oxygen source to reduce discoloration
Exposing the heated fluoropolymer resin to an oxygen source.. .
11/14/13
20130303710
Fluoropolymer dispersion treatment employing hydrogen peroxide to reduce fluoropolymer resin discoloration
Exposing the aqueous fluoropolymer dispersion to hydrogen peroxide.. .
11/14/13
20130303709
Fluoropolymer dispersion treatment employing high ph and oxygen source to reduce fluoropolymer resin discoloration
Exposing said aqueous fluoropolymer dispersion to an oxygen source.. .
11/14/13
20130303708
Fluoropolymer dispersion treatment employing hypochlorite salts or nitrite salts to reduce fluoropolymer resin discoloration
Exposing the aqueous fluoropolymer dispersion to oxidizing agent selected from the group consisting of hypochlorite salts and nitrite salts.. .
11/14/13
20130303707
Fluorination of fluoropolymer resin to reduce discoloration
Exposing the fluoropolymer resin to fluorine.. .
11/14/13
20130303701
Employing pretreatment and fluorination of fluoropolymer resin to reduce discoloration
Exposing the fluoropolymer resin in dry form to fluorine.. .
11/14/13
20130303652
Fluoropolymer dispersion treatment employing light and oxygen source in presence of photocatalyst to reduce fluoropolymer resin discoloration
Exposing the aqueous fluoropolymer dispersion to light having a wavelength of 10 nm to 760 nm in the presence of an oxygen source and photocatalyst.. .
11/14/13
20130303650
Fluoropolymer dispersion treatment employing ultraviolet light and oxygen source to reduce fluoropolymer resin discoloration
Exposing the aqueous fluoropolymer dispersion to ultraviolet light in the presence of an oxygen source.. .


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Fluoropolymer topics: Fluoropolymer, Air Cleaning, Alkyl Group, Fatty Acid, Fatty Acid Amide, Benzaldehyde, Nanoparticle, Polytetrafluoroethylene, Tetrafluoro, Tetrafluoroethylene, Interrupted, Dielectric Constant, Semiconductor

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This listing is a sample listing of patents related to Fluoropolymer for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Fluoropolymer with additional patents listed. Browse our RSS directory or Search for other possible listings.
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