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Tetrafluoro patents

      

This page is updated frequently with new Tetrafluoro-related patent applications.




 Electrolyte solute, electrolyte, and high-voltage supercapacitor patent thumbnailnew patent Electrolyte solute, electrolyte, and high-voltage supercapacitor
The present invention relates to the electrochemical field, particularly to an electrolyte solute and an electrolyte that are used for a high-voltage supercapacitor, and a high-voltage supercapacitor using the electrolyte. The anion of the electrolyte solute may be one or more selected from tetrafluoroborate, hexafluorophosphate, bis(trifluoromethylsulfonyl) imide, tris (trifluoromethylsulfonyl) methyl and perfluoroalkyl sulfonate, and the cation may be n-methyl-1,4-diazabicyclo[2.2.2]octane ammonium, n,n-dimethyl-1,4-diazabicyclo[2.2.2]octane ammonium, n-methyl-1-azabicyclo[2.2.2] octane ammonium.
Shenzhen Capchem Technology Co., Ltd.


 Polytetrafluoroethylene aqueous dispersion patent thumbnailnew patent Polytetrafluoroethylene aqueous dispersion
The present invention provides a polytetrafluoroethylene aqueous dispersion containing high-molecular-weight, significantly small polytetrafluoroethylene particles and having excellent dispersion stability. The present invention relates to an aqueous dispersion containing polytetrafluoroethylene particles containing a tetrafluoroethylene unit alone or a tetrafluoroethylene unit and a modifying monomer unit based on a modifying monomer copolymerizable with the tetrafluoroethylene.
Daikin Industries, Ltd.


 Polytetrafluoroethylene powder patent thumbnailnew patent Polytetrafluoroethylene powder
The present invention provides a polytetrafluoroethylene powder having high dispersibility in lubricants. The polytetrafluoroethylene powder includes polytetrafluoroethylene containing a tetrafluoroethylene unit alone or a tetrafluoroethylene unit and a modifying monomer unit based on a modifying monomer copolymerizable with the tetrafluoroethylene, and has a specific surface area of 32 m2/g or larger..
Daikin Industries, Ltd.


 Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment patent thumbnailnew patent Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment
The invention mainly pertains to a method for heat treating a composition [composition (c)] which contains at least one melt-processible perfluoropolymer [polymer (f)] formed of tetrafluoroethylene (tfe) copolymer with one or more perfluorinated comonomers [comonomer (f)] containing at least one unsaturation of ethylene type in amounts from 0.5% to 13% by weight, preferably from 0.6% to 11% by weight, and more preferably from 0.8% to 9% by weight; said polymer (f) possessing reactive end groups comprising at least one of the group consisting of hydrogen atoms, oxygen atoms and ethylenically unsaturated double bonds in an amount of at least 4.5 mmol/kg, the process comprising at least the step of heat-treating the composition (c) at a temperature of at least 260° c.. .
Solvay Specialty Polymers Italy S.p.a.


 Showerhead with reduced backside plasma ignition patent thumbnailShowerhead with reduced backside plasma ignition
Embodiments of the present disclosure relate to a showerhead assembly for use in a processing chamber. The showerhead assembly includes a porous insert disposed in a space defined between a gas distribution plate and a base plate to moderate the corrosive radicals resulting from plasma ignition to reduce particle issues and metal contamination in the chamber.
Applied Materials, Inc.


 Working medium and heat cycle system patent thumbnailWorking medium and heat cycle system
A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene is employed for a heat cycle system (such as a rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).. .

 Working medium and heat cycle system patent thumbnailWorking medium and heat cycle system
A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene is employed for a heat cycle system (such as a rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).. .

 Fluororesin composition and  its production, as well as molded product, foamed molded product and covered electric wire patent thumbnailFluororesin composition and its production, as well as molded product, foamed molded product and covered electric wire
To provide a fluororesin composition excellent in elongation deformability and excellent in mechanical strength of its molded product. The fluororesin composition comprises: a copolymer (a) comprising units derived from a monomer (a), units derived from a monomer (b) and units derived from a monomer (c); and a copolymer (b) comprising units derived from the monomer (a) and units derived from the monomer (b) but containing substantially no units derived from the monomer (c).
Asahi Glass Company, Limited


 Method for functionalizing transition metal dichalcogenides patent thumbnailMethod for functionalizing transition metal dichalcogenides
Embodiments of the invention provide a lithium-free metal dichalcogenides functionalization method where a metal dichalcogenide including a surface of predominantly semiconducting 2h phase is reacted with an aryl diazonium salt by exposing at least a portion of transition metal dichalcogenide to the aryl diazonium salt in the absence of alkyl lithium or alkyl lithium. A substantial portion of the reaction of the at least one aryl diazonium salt with the at least one transition metal dichalcogenide occurs with the semiconducting 2h phase.
Arizona Board Of Regents On Behalf Of Arizona State University


 Fixing member, fixing apparatus, image forming apparatus, and  producing fixing member patent thumbnailFixing member, fixing apparatus, image forming apparatus, and producing fixing member
A fixing member including a surface layer having high resistance to wear is provided. The fixing member includes a surface layer containing polytetrafluoroethylene (ptfe) and a fluorine resin having a melting point lower than that of the ptfe.
Canon Kabushiki Kaisha


Method for producing fluoropolymer aqueous dispersion liquid

The present invention provides a method for producing a fluoropolymer aqueous dispersion having a significantly small particle size and excellent dispersion stability. The present invention relates to a method for producing an aqueous dispersion containing at least one fluoropolymer selected from the group consisting of polytetrafluoroethylene and melt-fabricable fluororesins excluding polytetrafluoroethylene.
Daikin Industries, Ltd.

Coating to suppress adhesion of deposits, and flow path component including coating

A lubricating oil line of a gas turbine or a turbocharger includes a flow path component which allows passage of a lubricating oil. The flow path component used in the gas turbine includes a sump chamber and a vent line.
Ihi Corporation

Ethylene/tetrafluoroethylene copolymer, its production, powder coating material and molded article

To provide a powder coating material to form a coating film excellent in adhesion to a metal substrate and excellent in heat resistance, and an ethylene/tetrafluoroethylene copolymer contained therein. An ethylene/tetrafluoroethylene copolymer in which the content of chlorine atoms covalently bonded to any carbon atoms in the copolymer is from 100 to 500 mass ppm.
Asahi Glass Company, Limited

Method for producing porous articles from alternating poly(ethylene tetrafluoroethylene) and articles produced therefrom

Poly(ethylene tetrafluoroethylene) (etfe) polymers having an average molecular weight of at least 300,000 g/mol and a melt enthalpy of at least 57 j/g are provided. The etfe polymer may include at least one additional comonomer.
W. L. Gore & Associates, Inc.

Method for monofluoromethylation of organic substrates to prepare biologically active organic compounds

Described is a process for the preparation of monofluoromethylated organic biologically active compounds using monofluoromethylated reagents. Fluticasone propionate and fluticasone furoate can be prepared using, for example, s-monofluoromethyl-s-phenyl-2,3,4,5-tetramethylphenylsulfonium tetrafluoroborate as monofluoromethylating reagent instead of bromofluoromethane..
Hovione Inter Limited

Method for preparing 2,3,3,3-tetrafluoropropene

A method for preparing 2,3,3,3-tetrafluoropropene, including: a) introducing hexafluoropropylene and hydrogen to a first reactor for reaction in the presence of a catalyst to obtain a first mixture; b) washing and drying the first mixture, and introducing the treated first mixture to a first distillation column to obtain 1,1,1,2,3,3-hexafluoropropane, 1,1,1,2,3-pentafluoropropene, and hexafluoropropylene; recycling the 1,1,1,2,3,3-hexafluoropropane to the first reactor, and introducing the 1,1,1,2,3-pentafluoropropene and the hexafluoropropylene to a second distillation column to yield hexafluoropropylene and 1,1,1,2,3-pentafluoropropene; and recycling the hexafluoropropylene to the first reactor; c) introducing the 1,1,1,2,3-pentafluoropropene and hydrogen to a second reactor in the presence of a catalyst to obtain a second mixture; and d) washing and drying the second mixture, and introducing the second mixture to a third distillation column to yield 1,1,1,2,3-pentafluoropropane; and recycling the 1,1,1,2,3-pentafluoropropane to the second reactor to yield 2,3,3,3-tetrafluoropropene.. .
Zhejiang Quhua Fluor-chemistry Co., Ltd.

Twin axial cable structures for transmitting signals

A twin axial cable structure is provided for transmitting signals that makes use of insulative materials that are not easily extruded, such as expanded polyethylene (epe) and expanded polytetrafluoroethylene (eptfe). The cable structure includes an insulative body portion having a pair of open channels defined through an outer longitudinal surface of the insulative body portion, in which are disposed a pair of conductive wires.
Mellanox Technologies, Ltd.

Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons

Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.. .
Honeywell International Inc.

Filling method using mixed refrigerant including trans-1, 3, 3, 3-tetrafluoropropene

An object of the present invention is to provide a method for filling a refrigerant mixture. This method enables composition changes of a non-azeotropic refrigerant mixture comprising hfo-1234ze(e) and hfc-32 during the transfer to fall within an acceptable range of refrigerant performance.
Daikin Industries, Ltd.

Vehicle heating and/or air conditioning method

A method for the heating and/or air conditioning of the passenger compartment of an automobile using a reversible cooling loop in which flows a coolant containing 2,3,3,3-tetrafluoropropene. The method is particularly useful when outdoor temperature is lower than −15° c.
Arkema France

Flexible microneedle for dental material delivery and manufacturing the same

Disclosed is a microneedle for dental material delivery, the microneedle including a needle body portion; an active ingredient coating portion configured to coat the surface of the needle body portion, and including an active ingredient transferred to the skin tissue within a mouth; and a base portion configured to couple with the needle body portion, and to bend along a skin shape within the mouth, wherein the base portion includes at least one of polyethylene (pe), polypropylene (pp), polytetrafluoroethylene (ptfe), polymethylmethacrylate (pmma), ethylene vinyl acetate (eva), polycaprolactone (pcl), polyurethane (pu), polyethylene terephthalate (pet), polyethylene glycol (peg), polyvinyl alcohol (pva), poly lactide (pla), poly lactic-co-glycolic acid (plga), and polyglycolide (pga).. .
B&l Biotech, Inc.

Rotary joint for a high pressure fluid

The rotary joint for a high pressure fluid, comprising a stator body, a rotor body, a fluid seal interposed between the stator body and the rotor body, and a friction reducer interposed between the stator body and the rotor body, the friction reducer comprising at least a first plain bearing for sustaining axial loads, and at least a second plain bearing for sustaining bending loads, the first and second bearings being made of a polytetrafluoroethylene-based (ptfe) material.. .
Alfa Gomma S.p.a.

Tetrafluoropropene compositions and uses thereof

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents..
The Chemours Company Fc, Llc

Ionomer-membrane water processing apparatus

This disclosure provides water processing apparatuses, systems, and methods for recovering water from wastewater such as urine. The water processing apparatuses, systems, and methods can utilize membrane technology for extracting purified water in a single step.
Paragon Space Development Corporation

Fluorinated resin composition

Copolymer (a): a copolymer comprising units derived from the following monomer (a) and units derived from the following monomer (b), and optionally containing units derived from the following monomer (c), wherein the content of the units derived from the following monomer (c) is from 0 to 0.05 mol % based on the total of all units, and it has carbonyl groups; copolymer (b): a copolymer comprising units derived from the following monomer (a), units derived from the following monomer (b) and units derived from the following monomer (c), wherein the content of the units derived from the following monomer (c) is from 0.1 to 2 mol % based on the total of all units; volume flow rate: extrusion rate (mm3/sec.) at the time of extruding the fluorinated resin composition from an orifice having a diameter of 2.1 mm and a length of 8 mm under a pressure of 68.7n/cm2 at a temperature of the melting point+50° c.; monomer (a): tetrafluoroethylene; monomer (b): at least one member selected from ethylene, hexafluoropropylene and a perfluoro(alkyl vinyl ether); monomer (c): a monomer having two or more polymerizable carbon-carbon double bonds.. .

Blended fluoropolymer compositions

Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer.
Whitford Corporation

Fluorinated copolymer

Monomer (a): tetrafluoroethylene. Monomer (b): ethylene.



Tetrafluoro topics:
  • Tetrafluoro
  • Tetrafluoroethylene
  • Polytetrafluoroethylene
  • Hydrochloric Acid
  • Sulfuric Acid
  • Boric Acid
  • Phosphoric Acid
  • Carbon Nanotube
  • Hydrophobic Coating
  • Superhydrophobic Coating
  • Gel Formulation
  • Chloric Acid
  • Tetrafluoroboric Acid
  • Polyglycerol
  • Ultracapacitors


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    This listing is a sample listing of patent applications related to Tetrafluoro 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 Tetrafluoro with additional patents listed. Browse our RSS directory or Search for other possible listings.


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