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Tetrafluoro

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


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NEW Substrate processing chamber component assembly with plasma resistant seal
Applied Materials, Inc.
January 18, 2018 - N°20180019104

Embodiments disclosed herein relate to a substrate processing chamber component assembly with plasma resistant seal. In one embodiment, the semiconductor processing chamber component assembly includes a first semiconductor processing chamber component, a second semiconductor processing component, and a sealing member. The sealing member has a body formed substantially from polytetrafluoroethylene (ptfe). The sealing member provides a seal between the first ...
NEW Filter screens and methods of making filter screens
Delavan Inc
January 18, 2018 - N°20180016986

A filter screen includes a plate body with an upstream surface, an opposed downstream surface, and an array of apertures extending between the upstream surface and the downstream surface. A polytetrafluoroethylene-based layer overlays the upstream surface between apertures of the aperture array, the polytetrafluorethylene-based layer being conformally disposed over the upstream surface of the plate body and spanning the upstream ...
NEW Lubricating grease composition
Nok Klueber Co. Ltd.
January 18, 2018 - N°20180016516

A lubricating grease composition for a resin member is used to be supplied as a lubricant on a surface of at least a sliding portion of a resin member including the sliding portion with an other member. The lubricating grease composition for a resin member contains a base oil which is a mixed oil of a poly-α-olefin ...
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NEW Large polytetrafluoroethylene integrating sphere fabrication method
Korea Research Institute Of Standards And Science
January 18, 2018 - N°20180016374

An integrating sphere includes twelve pentagonal spherical shells and twenty hexagonal spherical shells. The hexagonal spherical shell includes a first circular spherical shell having a first diameter and six first auxiliary spherical shells formed by cutting the first circular spherical shell. The pentagonal spherical shell includes a first circular spherical shell having the first diameter and five second auxiliary spherical ...
NEW Method for storing tetrafluoropropene and container for storing tetrafluoropropene
January 18, 2018 - N°20180016213

A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container, wherein the oxygen concentration (content) in the above gas phase is adjusted to at least 3 vol ppm and less than 3,000 vol ppm at a temperature of 25° c.
NEW Flexible reinforced gasket
Garlock Sealing Technologies, Llc
January 18, 2018 - N°20180015687

A reinforced gasket material. A non-metallic scrim layer is interposed between layers of gasket material to provide strength to the gasket material. The layers of the gasket material can include binding agent to aid adhering to each other and to the non-metallic scrim layer. The non-metallic scrim layer can also be coated in binding agent. The layers of the gasket ...
Tetrafluoro Patent Pack
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Tetrafluoro Patent Applications
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  • 195+ full patent PDF documents of Tetrafluoro-related inventions.
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  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
1234yf- and 1234ze based polymeric membrane materials, membrane preparations and uses thereof
Honeywell International Inc.
January 11, 2018 - N°20180008938

The present invention generally relates to polymeric membrane materials formed, at least in part, from monomeric material selected from 2,3,3,3-tetrafluoropropene (cf3cf=ch2, hf0-1234y0 or trans-1,3,3,3-tetrafluoropropene (cf3ch=cfh, hfo-1234ze), and to membrane preparations and uses thereof in water desalination, filtration, membrane distillation, pervaporation, and selective gas separation.
Tube sheet assembly for a heat exchanger
Luvata Grenada Llc
January 04, 2018 - N°20180003449

A tube sheet assembly for a heat exchanger is disclosed. The tube sheet assembly includes a plastic sheet having multiple tube-retention holes defined therein and a metal plate having multiple holes defined therein, each hole being substantially coaxial with a corresponding tube-retention hole of the plastic sheet. The metal plate is connected to the plastic sheet. The metal plate can ...
Valve device in a motor vehicle
Continental Automotive Gmbh
December 28, 2017 - N°20170370298

A valve device for a fuel cell arrangement in a motor vehicle includes: a housing; a flow channel extending in the housing; a flap configured to influence a flow cross-section in the flow channel; a shaft to which the flap is attached, the shaft being rotatably supported in the housing; a drive configured to drive the flap via the shaft; ...
Coated wire
Marmon Aerospace & Defense Llc
December 21, 2017 - N°20170365374

A coated wire suitable for aerospace applications includes a metallic conductor elongated along an axis and having an outer surface extending along the axis, and three coating layers surrounding the conductor. A first coating layer is connected to the outer surface of the conductor and extends along the axis to surround the conductor, and the first coating layer is formed ...
Water lubrication type bearing material
Eagle Industry Co., Ltd.
December 21, 2017 - N°20170362526

A water lubrication type bearing material contains 12 wt. % to 25 wt. % of a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin (pfa resin), 18 wt. % to 33 wt. % of a carbon fiber, and a remainder including a polytetrafluoroethylene (ptfe) resin and/or a modified ptfe resin. The bearing material has excellent wear resistance and sliding characteristics for a water lubrication type bearing.
Compositions and methods for bonding glues, adhesives, and coatings to surfaces
University Of Virginia Patent Foundation, D/b/a University Of Virginia Licensing & Ventures Group
December 21, 2017 - N°20170362363

The present application provides compositions and methods for allowing surfaces such as hdpe, ldpe, polyethylene, polypropylene, teflon (polytetrafluoroethylene), sbs, sebs, sis elastomers, and silicone rubber, which are notoriously difficult to apply adhesives, glues, or coatings to, to he treated with a primer system that increases the ability of a glue, adhesive, or coating to adhere to that surface and subsequently ...
Pfa molded body with excellent blister resistance and method of controlling occurrence of blisters in ...
Dupont-mitsui Fluorochemicals Co., Ltd.
December 21, 2017 - N°20170361548

Provided is a molded body with a hollow portion comprising tetrafluoroethylene and perfluoro(alkyl vinyl ether) copolymer, which is obtained by heat treating a molded body with a hollow portion obtained by melt molding tetrafluoroethylene and perfluoro(alkyl vinyl ether) copolymer having a melt flow rate of 0. 1 to 100 g/10 min when measured with a load of 5 kg and a measurement ...
Tetrafluoro Patent Pack
Download 195+ patent application PDFs
Tetrafluoro Patent Applications
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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.
Thermally insulative expanded polytetrafluoroethylene article
W. L. Gore & Associates, Inc.
December 14, 2017 - N°20170356589

The present invention is directed to a thermally insulative material comprising ptfe, including an expanded ptfe (eptfe), having a thermal conductivity of less than or equal to 25 mw/m k at atmospheric conditions. In one embodiment, the insulative material of the present invention includes aerogel particles and polytetrafluoroethylene (ptfe). The insulative material may be formed into articles that are hydrophobic, ...
Threaded insert for connections of tubes and accessories for liquid and gaseous fluids in general
December 14, 2017 - N°20170356574

The present invention relates to a threaded insert for the connection of tubes and accessories, such as fittings for liquid and gaseous fluids in general, directed to the tube male/female connections of the type that are connected together from one of its ends by thermo fusion, cold welding, with rubber ring, among other possible forms of connection, that prevent ...
Ultraviolet curable resin composition and sliding member
Minebea Mitsumi Inc.
December 07, 2017 - N°20170349851

There is provided an ultraviolet curable resin composition for a self-lubricating liner, including: a (meth)acrylate compound having an isocyanuric acid ring; at least one of (meth)acrylate having a phosphoric acid ester group and (meth)acrylate having a silane group: a polythiol compound; and a polytetrafluoroethylene resin as a solid lubricant.
Hfo-1234ze copolymers
The Chemours Company Fc, Llc
November 30, 2017 - N°20170342177

The present invention provides 1,3,3,3-tetrafluoropropene (hfo-1234ze) copolymers comprising 1,3,3,3-tetrafluoropropene and one or more comonomers selected from the group consisting of vinyl fluoride (vf), vinylidene fluoride (vf2), tetrafluoroethylene (tfe), chlorotrifluoroethylene (ctfe), hexafluoropropylene (hfp), and perfluoro(alkyl vinyl ether) (pave), wherein said alkyl contains 1 to 5 carbon atoms, the copolymers being a fluoroplastic or a fluoroelastomer, depending upon monomer content.
Process for the preparation of 1,3,3,3-tetrafluoropropene
Xi'an Modern Chemistry Research Institute
November 30, 2017 - N°20170342003

Disclosed is a process for the preparation of 1,3,3,3-tetrafluoropropene, comprising: (a) a compound having the formula cf3-xclxchclchf2-ycly and in the presence of a compound catalyst, undergoes, through n serially-connected reactors, gas-phase fluorination with hydrogen fluoride, producing 1,2,3-trichloro-1,1,3-trifluoropropane, and 1,2-dichloro-1,1,3,3-tetrafluoropropane; in said formula, x=1, 2 or 3; y=1 or 2, and 3≦x+y≦5; (b) 1,2,3-trichloro-1,1,3-trifluoropropane, and 1,2-dichloro-1,1,3,3...
Surface acoustic wave sensor coating
Pulmostics Limited
November 23, 2017 - N°20170338400

A surface acoustic wave sensor in which instrument drift resulting from accumulated surface contamination is minimized. The sensor includes a piezeoelectric substrate defined by an outer surface and a plurality of interdigitated electrodes mounted thereon. The electrodes are defined by one or more exposed portions and an unexposed portion abutting the outer surface of the piezoelectric substrate. An inert coating ...
Electro-deposition process, electro-deposition bath, and method for preparing rare earth permanent magnetic material through electro-deposition
Beijing Zhong Ke San Huan Hi-tech Co., Ltd.
November 23, 2017 - N°20170335478

The present invention discloses an electro-deposition process, an electro-deposition bath, and a method for preparing a rare earth permanent magnetic material through electro-deposition. The electro-deposition process is used for depositing a heavy rare earth element on the surface of a sintered r2-t-b type master alloy, and comprises step 1: providing an electro-deposition bath, comprising a main salt containing the heavy ...
Air-conditioner working fluid for electric vehicle and air-conditioner working fluid composition for electric vehicle
Denso Corporation
November 23, 2017 - N°20170335159

There are provided an air-conditioner working fluid for electric vehicle providing sufficient cycle performance in practical use in an electric vehicle, in particular, sufficient cycle performance also in the heating time, while suppressing influence on global warming, and usable without greatly changing an air-conditioner device for a conventional working fluid, for example, hfc-134a or hfo-1234yf, and an air-conditioner ...
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