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Tetrafluoro

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


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Method for preventing outgassing
Zapgo Ltd
September 14, 2017 - N°20170263387

A method of reducing outgassing in a supercapacitor comprised of carbon-containing electrodes and at least one ionic liquid is characterised by the steps of (a) contacting the carbon-containing electrodes with a tetrafluoroborate salt; (b) applying a potential difference across the carbon-containing electrodes whilst in contact with the salt in a cycle during which electrical charge is stored on and discharged ...
Heat transfer fluids comprising difluoromethane, pentafluoroethane, tetrafluoropropene and optionally propane
Arkema France
September 14, 2017 - N°20170260437

A composition includes between 11 and 13 wt. % of difluoromethane; between 58 and 62 wt. % of pentafluoroethane; between 18 and 29 wt. % of tetrafluoropropene; and between 0 and 7 wt. % of propane. The tetrafluoropropene can be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. The composition can be used as a heat transfer fluid in a vapour compression circuit.
Air compressor made of a light metal
Wabco Gmbh
September 07, 2017 - N°20170254322

Disclosed is an air compressor (10) for supplying compressed air to a pneumatic system in a motor vehicle. The air compressor (10) comprises a crankcase (46), a cylinder housing (14) connected to the crankcase, a cylinder head (20), a crankshaft (40) rotatably mounted in the crankcase, a cylindrical piston (12) that is connected to the crankshaft (40) by a connecting rod (42). In order to load the compressed air ...
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Process for producing 2,3,3,3-tetrafluoropropene
Honeywell International Inc.
September 07, 2017 - N°20170253545

The present invention relates, in part, to the discovery that, during the fluorination of certain fluoroolefm starting reagents, particularly, 1,1,2,3-tetrachloropropene (1230xa), oligomerization/polymerization of such starting reagents reduces the conversion process and leads to increased catalyst deactivation. The present invention also illustrates that providing one or more organic co-feed to the fluooolefin starting stream reduces such oligomerization/polymerization and improves ...
Process for producing 2,3,3,3-tetrafluoropropene
Honeywell International Inc.
September 07, 2017 - N°20170253544

The present invention relates, in part, to the discovery that, during the fluorination of certain fluoroolefin starting reagents, particularly, 1,1,2,3-tetrachloropropene (1230xa), oligomerization/polyinerization of such starting reagents reduces the conversion process and leads to increased catalyst deactivation. The present invention also illustrates that providing one or more organic co-feed to the fluooolefin starting stream reduces such oligomerization/polymerization and improves ...
Anion exchange polymers and anion exchange membranes incorporating same
Xergy Inc.
September 07, 2017 - N°20170252707

An anion exchange membrane is made by mixing 2 trifluoromethyl ketone [nominal] (1. 12 g, 4. 53 mmol), 1 biphenyl (0. 70 g, 4. 53 mmol), methylene chloride (3. 0 ml). Trifluoromethanesulfonic acid (tfsa) (3. 0 ml) to produce a pre-polymer. The pre-polymer is then functionalized to produce an anion exchange polymer. The pre-polymer may be functionalized with trimethylamamine in solution with water. The pre-polymer may be imbibed into a porous scaffold material, such ...
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Tetrafluoro Patent Applications
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  • 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.
Sound-permeable membrane, sound-permeable membrane member including same, microphone, and electronic device
Nitto Denko Corporation
August 24, 2017 - N°20170245036

The sound-permeable membrane of the present invention is adapted, when placed over an opening for directing sound to or from a sound transducer, to prevent entry of foreign matters into the sound transducer through the opening while permitting passage of sound, the sound-permeable membrane including a non-porous film or a multilayer membrane including the non-porous film. The non-porous film is ...
Equipment including polytetrafluoroethylene
Schlumberger Technology Corporation
August 24, 2017 - N°20170244294

An electric submersible pump motor can include a housing; a cavity defined at least in part by the housing; a rotor disposed in the cavity; a stator disposed in the cavity where the stator includes stator laminations and stator windings disposed at least in part in slots of the stator laminations; and stator slot liners disposed at least in part ...
Electrolyte for lithium based energy accumulators
Bayerische Motoren Werke Aktiengesellschaft
August 24, 2017 - N°20170244132

An electrolyte for a lithium-ion battery which includes lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. A lithium-ion battery which includes an electrolyte containing lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. A motor vehicle which uses a lithium-ion battery having electrolytes containing lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. The electrolyte can increase the service life of the lithium-ion battery.
Polymerization of 2,3,3,3-tetrafluoropropene and polymers formed from 2,3,3,3-tetrafluoropropene
Honeywell International Inc.
August 24, 2017 - N°20170240666

The present invention relates to methods of producing polymerized 2,3,3,3-tetrafluoropropene (poly-1234yf) using one or a combination of the techniques provided herein. In certain embodiments, such techniques include (1) emulsion polymerization; (2) suspension polymerization; (3) solution polymerization; (4) supercritical carbon dioxide polymerization; (5) transition metal catalyzed polymerization; (6) radiation or thermal polymerization; and combinations thereof. A wide array of initiators, catalysts, and solvents may be used ...
Method of hydrophobic treatment of a carbon substrate
Commissariat A L'energie Atomique Et Aux Energies Alternatives
August 17, 2017 - N°20170237078

A method of treating a carbon substrate, includes the successive steps of impregnating the carbon substrate with an aqueous solution containing an amorphous fluorinated copolymer of tetrafluoroethylene and of perfluoromethoxy dioxole, drying the carbon substrate at a pressure lower than the atmospheric pressure, and obtaining a carbon substrate impregnated with a fluorinated copolymer. Such a carbon substrate may be used ...
Multi-core cable
Sumitomo Electric Industries, Ltd.
August 17, 2017 - N°20170236616

A multi-core cable includes a plurality of coaxial wires, each coaxial wire including a center conductor whose sectional area is 0. 0005 mm2 to 0. 0039 mm2. The multi-core cable includes a resin tape wrapped around the coaxial wires so that all of the plurality of coaxial wires are included therein, a shield layer being made of metal and covering the resin tape, and ...
Refrigerant composition comprising difluoromethane (hfc32) and 2,3,3,3-tetrafluoropropene (hfo1234yf)
Sumitomo Electric Industries, Ltd.
August 17, 2017 - N°20170233625

The present invention provides a refrigerant composition comprising 30 to 50 mass % of difluoromethane (hfc32) and 70 to 50 mass % of 2,3,3,3-tetrafluoropropene (hfo1234yf).
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.
Polymeric materials
Colorant Chromatics Ag
August 17, 2017 - N°20170233540

A film for use in architectural applications (e. G. For roofs, walls or windows of buildings) comprises a polymeric material and an additive, wherein said polymeric material is a fluoropolymer and said additive is selected from titaniumnitride and tungsten oxide. Preferred polymeric materials may be ethylene chlorotrifluoroethylene (ectfe) or an ethylene-tetrafluoroethylene copolymer (etfe).
Method for producing 2,3,3,3-tetrafluoropropene
Daikin Industries, Ltd.
August 17, 2017 - N°20170233315

This invention provides a method capable of efficiently producing 2,3,3,3-tetrafluoropropene (hfo-1234yf) with a recycling step using substantially a single reaction step. A method for producing 2,3,3,3-tetrafluoropropene (hfo-1234yf), comprising a reaction step of reacting at least one chlorine-containing starting compound selected from the group consisting of chlorine-containing alkanes represented by formula (1): cx2ychclch2z (wherein x, y and z ...
Method for producing 2-chloro-3,3,3,-trifluoropropene (hcfc-1233xf)
Honeywell International Inc.
August 17, 2017 - N°20170233314

The present invention relates to an improved method for manufacturing 2-chloro-3,3,3,-trifluoropropene (hcfc-1233xf) by reacting 1,1,2,3-tetrachloropropene, 1,1,1,2,3-pentachloropropane, and/or 2,3,3,3-tetrachloropropene with hydrogen fluoride, in a vapor phase reaction vessel in the presence of a vapor phase fluorination catalyst and stabilizer. Hcfc-1233xf is an intermediate in the production of 2,3,3,3-tetrafluoropropene (hfo-1234yf) which is a refrigerant with low global ...
Process of making a wear-resistant actuating lever
Honeywell International Inc.
August 17, 2017 - N°20170232648

A process of making a wear-resistant actuating lever is disclosed. The wear-resistant actuating lever includes a lever body made of metal and an integrally molded cover layer made of a polytetrafluoroethylene-based material. The lever body includes a head segment having an upper major surface, a cam-forming surface, a through hole, and at least one upper concavity formed in the upper ...
Ionic liquid and power storage device including the same
Honeywell International Inc.
August 10, 2017 - N°20170229739

In the general formula (g0), r0 to r5 are individually any of an alkyl group having 1 to 20 carbon atoms, a methoxy group, a methoxymethyl group, a methoxyethyl group, and a hydrogen atom, and a− is a univalent imide-based anion, a univalent methide-based anion, a perfluoroalkyl sulfonic acid anion, tetrafluoroborate, or hexafluorophosphate.
Flexible sheet-type physical property detecting leak sensor device
Fluoro Tech Co., Ltd.
August 10, 2017 - N°20170227415

A flexible sheet-type leak sensor device according to the present invention comprises: a flexible base sheet made of a non-conductive fluorine-based synthetic resin comprising ethylene tetrafluoroethylene (etfe); conductive lines formed on a surface of the base sheet so as to have a predetermined pattern and so as not to meet or cross each other, the conductive lines being formed by ...
Spring energized cylinder liner seal
Caterpillar Inc.
August 10, 2017 - N°20170226958

A seal assembly that includes a substantially annular cylindrical configuration that defines an aperture that defines a cylindrical axis and a radial direction is provided. The seal assembly comprises a spring member that includes two arm portions that extend substantially in a direction that is parallel to the cylindrical axis and that meet forming a flex point, and a sealing ...
Fluorothermoplastic polymer
3m Innovative Properties Company
August 10, 2017 - N°20170226337

Described herein is a composition comprising a fluorothermoplastic polymer, wherein the fluorothermoplastic polymer is derived from: (a) 60-85 mol % tetrafluoroethene; (b) 2-12 mol % hexafluoropropene; (c) 10-30 mol % vinylidene fluoride; (d) 0. 2 to 5 mol % of a bromine-containing monomer. Such compositions can be used in multilayer constructions in, for example, fuel hose applications.
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