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Tetrafluoro

Tetrafluoro-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Polytetrafluoroethylene composition
Daikin Industries, Ltd.
November 09, 2017 - N°20170321034

The invention provides a polytetrafluoroethylene composition having high flowability. The polytetrafluoroethylene composition contains a particulate polytetrafluoroethylene having fibrillability and a particulate synthetic amorphous silica. The particulate polytetrafluoroethylene is a polytetrafluoroethylene fine powder or a polytetrafluoroethylene molding powder. The particulate synthetic amorphous silica is obtained by a dry process and has an average primary particle size smaller than 200 nm. The particulate ...
Elastomeric leaflet for prosthetic heart valves
W. L. Gore & Associates, Inc.
November 09, 2017 - N°20170319338

A leaflet for a prosthetic valve formed of at least one layer that includes a composite material containing at least one expanded fluoropolymer membrane having serpentine fibrils and an elastomer is provided. The fluoropolymer may be polytetrafluoroethylene. In at least one embodiment, the elastic properties are present in an axial direction the leaflet. The leaflets may be single layered or ...
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Tetrafluoro Patent Applications
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Improved fluorination process
W. L. Gore & Associates, Inc.
November 02, 2017 - N°20170313735

A process comprising (i) providing a mixture comprising a compound of formula (i) or isomers, stereoisomers, diastereomers, enantiomers or salts thereof; (ii) subjecting the mixture provided in (i) to fluorinating conditions in the presence of a fluorination agent selected from the group consisting of diethylamino (difluoro) sulfonium tetrafluoroborate and difluoro(morpholino) sulfonium tetrafluoroborate obtaining a mixture comprising a compound of ...
Integrated process to produce 2,3,3,3-tetrafluoropropene
W. L. Gore & Associates, Inc.
November 02, 2017 - N°20170313639

The invention relates to a separation process whereby 2-chloro-3,3,3-trifluoropropene (1233xf) is separated from a mixture containing other fluorinated organics and high boiling materials such as dimers using azeotropes of hf formed by adding appropriate amounts to the mixture which facilitate separation by, e. G. Distillation.
Radiation crosslinked fluoropolymer compositions containing low level of extractable fluorides
Daikin America, Inc.
October 26, 2017 - N°20170309367

A composition for manufacturing a crosslinked ethylene tetrafluoroethylene (etfe) copolymer with enhanced abrasion resistance and heat resistance is provided, the composition including etfe, about 0. 1-10% w/w of a metal oxide that effectively scavenges high levels of fluoride ions; and a crosslinking agent. Methods of using and making the composition are also provided.
Tetrafluoro Patent Pack
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Tetrafluoro Patent Applications
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inventor
  • 195+ full patent PDF documents of Tetrafluoro-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Polytetrafluoroethylene tube
Junkosha Inc.
October 26, 2017 - N°20170304505

A polytetrafluoroethylene tube is provided and has a thickness of 0. 1 mm or less, a tensile elongation at break of 350% or more, and a melting energy of 0. 6 j/g or more which is calculated from an endothermic peak at 370° c.±5° c. In a procedure of increasing a temperature in differential scanning calorimetry (dsc).
Low-adhesion coatings with solid-state lubricants
Junkosha Inc.
October 19, 2017 - N°20170298286

Some variations provide a low-adhesion coating comprising a continuous matrix containing a first component, a plurality of inclusions containing a second component, and a solid-state lubricant distributed within the coating, wherein one of the first component or the second component is a low-surface-energy polymer, and the other of the first component or the second component is a hygroscopic material. The ...
Azeotropic compositions of hydrogen fluoride and z-3,3,3-trifluoro-1-chloropropene
Junkosha Inc.
October 19, 2017 - N°20170297982

An azeotropic or quasi-azeotropic composition including hydrogen fluoride, z-3,3,3-trifluoro-1-chloropropene and one or more (hydro)halocarbon compounds including 1 to 3 carbon atoms. The (hydro) halocarbon compounds are preferably selected among tetrachlorofluoropropanes, trichlorodifluoropropanes, dichlorotrifluoropropanes, chlorotetrafluoropropanes, pentafluoropropanes, dichlorodifluoropropenes, chlorotrifluoropropenes and tetrafluoropropenes. A process for producing a main (hydro)halocarbon compound, including the formation of a mixture of compounds including hydrogen fluoride, z-3,3,3...
Electrolyte film for fuel cell
Junkosha Inc.
October 12, 2017 - N°20170294670

(solution) an electrolyte film for fuel cells, the electrolyte film comprising a polymeric electrolyte and a polytetrafluoroethylene (ptfe) porous film, characterized in that a material having an elastic modulus higher than that of the material constituting the ptfe porous film is composited on the inside surfaces of pores of the ptfe porous film, and the composited ptfe porous film has ...
Release liner, method for manufacturing the same, and method for manufacturing membrane electrode assembly by ...
Hyundai Motor Company
October 12, 2017 - N°20170294659

A release liner used for manufacturing a membrane electrode assembly includes one or more first films formed of a material having a releasing property, and a second film bonded to the first films and having a tensile strength higher than a tensile strength of the first film. The first films are formed of polytetrafluoroethylene (ptfe) having a non-bonding property and ...
Process for the manufacture of idalopirdine via hydrogenation of an imine
H. Lundbeck A/s
October 12, 2017 - N°20170291874

The present invention relates to the preparation of n-(2-(6-fluoro-1h-indol-3-yl)-ethyl)-3-(2,2,3,3-tetrafluoropropoxy)-benzylamine (compound i), inn-name idalopirdine, and pharmaceutically acceptable salts thereof:
Process for forming a thermally and chemically inert multilayer film
Swiss Medical Coatings Sarl
October 12, 2017 - N°20170290958

A process for forming a thermally and chemically inert multi-layer film on a substrate, comprising depositing a composition comprising one or more inorganic oxide material, or mixtures thereof, on the substrate such as to form a continuous layer comprising a at least partially fused inorganic oxide material; depositing a composition comprising one or more non-fluorinated silane compounds, or mixtures thereof, ...
Tetrafluoro Patent Pack
Download 195+ patent application PDFs
Tetrafluoro Patent Applications
Download 195+ Tetrafluoro-related PDFs
For professional research & prior art discovery
inventor
  • 195+ full patent PDF documents of Tetrafluoro-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Liquid electrolyte formulations with high salt content
Medtronic, Inc.
October 05, 2017 - N°20170288270

Electrolyte formulations including a high salt concentration. The electrolyte formulation includes an organic solvent and a lithium salt, wherein the lithium salt is mixed with the organic solvent at a concentration of at least 20 mole %, or at least 40 mole %, or at least 50 mole %. The organic solvent includes n-methyl-2-pyrrolidone, butylene carbonate, butyl propionate, pentyl acetate, γ-caprolactone, propylene glycol ...
Electrolyte material, liquid composition and membrane/electrode assembly for polymer electrolyte fuel cell
Medtronic, Inc.
October 05, 2017 - N°20170288249

To use an electrolyte material which is formed of a polymer (h) obtained by converting precursor groups in a polymer (f) having structural units (a) based on a perfluoromonomer having a precursor group represented by the formula (g1), structural units (b) represented by the formula (u2), and structural units (c) based on tetrafluoroethylene, wherein the proportion of the structural units (...
Negative electrode including a polymeric single-ion conductor coating
Gm Global Technology Operations Llc
October 05, 2017 - N°20170288230

A negative electrode includes a metal substrate and a polymeric single-ion conductor coating formed on a surface of the metal substrate. The metal substrate is selected from the group consisting of lithium, sodium, and zinc. The polymeric single-ion conductor coating is formed of i) a metal salt of a sulfonated tetrafluoroethylene-based fluoropolymer copolymer or ii) a polymeric metal salt having ...
Electrode material for lithium-ion secondary battery and method for manufacturing same
Sumitomo Osaka Cement Co., Ltd
October 05, 2017 - N°20170288213

An electrode material for a lithium-ion secondary battery of the present invention includes particles which are made of lifexmn1-w-x-y-zmgycazawpo4, have an orthorhombic crystal structure, and have a space group of pmna, in which a mis-fit value [(1−(b2×c2)/(b1×c1))×100] of a be plane which is computed from lattice constants b1 and c1 of the ...
Capacitor and capacitor module
Komatsu Ltd.
October 05, 2017 - N°20170287651

An object of the present invention is to provide a capacitor and a capacitor module having a long life and capable of a stable action. Therefore, an electrolytic solution l obtained by dissolving an electrolyte salt having a lower hydrolyzability and a higher reaction potential in an electrode than an amidine salt containing a cation which is an imidazolium in ...
Adhesive tape
Chukoh Chemical Industries, Ltd., Tokyo, Japan;
October 05, 2017 - N°20170283663

According to one embodiment, an adhesive tape includes a film and an adhesive layer. The film includes polytetrafluoroethylene and a carbon filler. The adhesive layer is provided on a surface of the film, and includes a silicone pressure-sensitive adhesive.
Process for producing 2,3,3,3-tetrafluoropropene
Honeywell International, Inc.
October 05, 2017 - N°20170283348

The invention relates to a process to prepare 2-chloro-3,3,3-trifluoropropene (hco-1233xf) or 2-chloro-1,1,12-tetrafluoropropane (hcfc-244bb) using dichloro-trifluoropropanes and/or trichloro-difluoropropanes, and to prepare 2-chloro-3,3,3-trifluoropropene (hco-1233xf) using various 242 and 243 isomers.
Systems, devices, and methods of making and using ptfe dental plugs
Honeywell International, Inc.
October 05, 2017 - N°20170281474

A method of using a dental filler is disclosed. The method may include securing a prosthetic to a dental implant, the prosthetic having an access channel therethrough. The method may also include filling a portion of the access channel by inserting a polytetrafluoroethylene dental plug into the access channel and compressing the polytetrafluoroethylene dental plug within the access channel.
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