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7579056 |
Hydrophobic formulations and vessel surfaces comprising same
Hydrophobic coating compositions are provided as are processes to coat articles with the compositions. Extremely hydrophobic coatings are provided by the compositions. Durable, weatherable and...
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7579418 |
Extrusion process and product
The present invention relates to the process of extruding melt drawing fluoropolymer onto conductor to form insulated conductor at a line speed of at least 533 m/min and having no more than 10...
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7576164 |
Curable base-resistant fluoroelastomers
Compositions of fluoroelastomers containing copolymerized units of tetrafluoroethylene, propylene, a first cure site selected from the group consisting of i) trifluoroethylene, ii)...
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7566762 |
Process for preparing fluoropolymer
The present invention relates to a process for preparing a fluoropolymer containing at least one kind of fluoroolefin, which comprises carrying out polymerization in the presence of a surfactant...
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7540382 |
Stabilized liquid protein formulations in pharmaceutical containers
A container comprising a closure means coated by an inert fluorinated material and containing a liquid pharmaceutical composition. In particular, the container comprises a closure means coated by...
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7531610 |
Fluorosulfonyl group-containing compound, method for its production and polymer thereof
A compound containing two fluorosulfonyl groups which are groups convertible to sulfonic acid groups, an intermediate therefor, and methods for their production with high productivity, are...
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7521513 |
Semi-batch process for producing fluoroelastomers
A novel semi-batch emulsion polymerization process for the production of fluoroelastomers is disclosed wherein a hydrocarbon anionic surfactant is employed as the dispersing agent. The surfactant...
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7521514 |
Emulsion polymerization of dipolymers of tetrafluoroethylene and 3,3,3-trifluoropropene
An aqueous semi-batch polymerization process is disclosed for the manufacture of dipolymers of tetrafluoroethylene and 3,3,3-trifluoropropene that contain between 45 and 95 mole percent...
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7482415 |
Process for producing fluoroionomer, method for purification and concentration of the ionomer, and method of film formation
The present invention provides a process for producing a fluorinated ionomer, comprising copolymerizing, in the presence of a polymerization initiator, (i) a compound represented by Formula (I)
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7470749 |
Block polymer, process for producing a polymer, and polymer electrolyte fuel cell
A polymer electrolyte fuel cell comprising a membrane-form polymer electrolyte, a cathode disposed on one side of the polymer electrolyte, and an anode disposed on the other side of the polymer...
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7452602 |
Vinylidene fluoride-based resin film
A vinylidene fluoride-based resin film including polyvinylidene fluoride whose average spherocrystal diameter is less than 0.1 μm that is a detection limit or lower by observation using a...
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7438995 |
Use of partially fluorinated polymers in applications requiring transparency in the ultraviolet and vacuum ultraviolet
Disclosed are partially fluorinated and fully fluorinated polymers that are substantially transparent to ultraviolet radiation at wavelengths from approximately 150 nanometer to 260 nanometers.
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7408011 |
Photoresists, fluoropolymers and processes for 157 nm microlithography
The invention provides a polymer having (a) at least one repeat unit derived from an ethylenically unsaturated compound having at least one fluorine atom covalently attached to an ethylenically...
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7378475 |
Process for making vinyl fluoride interpolymers and dispersions thereof
Interpolymers of 1-99 mol % vinyl fluoride and 99-1 mol % of at least one highly fluorinated monomer such as tetrafluoroethylene are disclosed. The interpolymers are characterized by the presence...
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7375159 |
Vinylidene fluoridepolymer having a fraction of non-transferred chains and its manufacturing process
Blends of PVDF (polyvinylidene fluoride) homopolymer or copolymer with ABC triblock copolymers are useful for manufacturing parts which may be sheets, film, tubes, rods, centrifugal pump components...
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7375171 |
Process for preparing vulcanizable fluorine-containing elastomer
The present invention provides a process for preparing a fluorine-containing elastomer in a high productivity comparable to that of non-iodine transfer polymerization process by carrying out an...
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7365122 |
Fluoroelastomer composition
A fluoroelastomer composition, which comprises 100 parts by weight of vinylidene fluoride-perfluoro(methyl vinyl ether)-tetrafluoroethylene terpolymer or vinylidene fluoride-hexafluoropropene...
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7345124 |
Process for preparing fluorine-containing polymer
The present invention provides a process for preparing a fluorine-containing polymer having few branched chains and little weight change in high temperatures, which is a new process wherein...
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7312287 |
Fluorinated polymers useful as photoresists, and processes for microlithography
This invention provides a fluorine-containing copolymer having a repeat unit derived from at least one fluorinated olefin and a repeat unit derived from at least one polycyclic ethylenically...
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7312289 |
Fluorine-containing elastomer and its composition
A fluorine-containing elastomer having a copolymer composition, which comprises 50-85% by mole of (a) vinylidene fluoride, 0-25% by mole of (b) tetrafluoroethylene, 7-20% by mole of (c)...
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7285612 |
Partially fluorinated copolymer based on trifluorostyrene and substituted vinyl compound and ionic conductive polymer membrane formed therefrom
A trifluorostyrene and substituted vinyl compound based partially fluorinated copolymer, an ionic conductive polymer membrane including the same, and a fuel cell adopting the ionic conductive...
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7276287 |
Melt-processible poly(tetrafluoroethylene)
Melt-processible, thermoplastic poly(tetrafluoroethylene) (PTFE) compositions are disclosed and methods for making and processing same. Additionally, products comprising these compositions are...
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7271228 |
Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts
Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts. The compounds comprise at least one perfluorovinyl group...
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7271229 |
Processes for producing a fluorosulfonyl group-containing compound and a compound led from the fluorosulfonyl group-containing compound
A fluorosulfonyl group-containing compound having a high polymerization reactivity, a process for its production, a sulfonyl group-containing polymerizable monomer led from the sulfonyl...
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7262257 |
Telechelic polymers containing reactive functional groups
Telechelic polymers having two reactive functional groups at the same polymer chain end are disclosed. These polymers can be prepared by combining a cycloborane initiator, at least one free radical...
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7247691 |
Perfluoroalkyl substituted acrylate monomers and polymers thereof
Fluoroalkyl amidoalkyl alcohols of the formula
are disclosed and their corresponding (meth)acrylate esters. These fluoroalkyl amidoalkyl (meth)acrylate monomers can be copolymerized with a wide...
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7220487 |
Ambient cured flexible fluoroelastomer coatings and coated products
The present invention provides an ambient temperature curable fluoroelastomer coatings and coated articles to provide improved elongation, and adhesion to substrates especially flexible elastomeric...
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7199198 |
Fluororubber base sealant composition and fluororubber base sealant
A fluororubber sealant composition includes 100 parts by weight of a fluororubber, which is a copolymer having a cross-linking site derived from a bromine-containing and/or iodine-containing...
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7160926 |
Ion exchange fluorocarbon resin membrane
An ion exchange fluorocarbon resin membrane having a storage modulus (JIS K-7244), when substituted with tributyl ammonium ions, at a temperature of not less than Tc represented by the following...
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7148301 |
High purity fluoropolymers
The invention relates to high purity fluoropolymers and processes for making such materials. These polymers are particularly suited for applications in the semiconductor industry. The process...
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7148300 |
Fluoroelastomers with improved permeation resistance and method for making the same
A compound is prepared, suitable for forming fluoroelastomers, having the unique features of a low glass transition temperature and desirable permeation resistance. The compound generally comprises...
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7138470 |
Fluoroelastomers with improved low temperature property and method for making the same
A compound is prepared, suitable for forming fluoroelastomers, having the unique features of a low glass transition temperature and desirable physical properties. The compound generally comprises...
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7132489 |
Fluorine-containing amphoteric polymer for surface coating and preparation method thereof
The present invention relates to a fluorine-containing amphoteric polymer for surface coating and preparation method thereof, in particular, to a fluorine-containing amphoteric polymer for surface...
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7122608 |
VDF polymerization process
VDF polymerization process, optionally modified with small amounts of one or more fluoro-containing comonomers, carried out in the presence of a microemulsion comprising a (per) fluoropolyether...
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7122610 |
Method of producing thermoplastic fluoropolymers using alkyl sulfonate surfactants
Nonfluorinated surfactants selected from C7–C20 linear 1-alkanesulfonates, 2-alkanesulfones, and 1,2-alkanedisulfones are particularly effective for stabilizing emulsions in preparing...
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7112640 |
Fluorocopolymer and its applications
A fluorocopolymer which comprises repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a cyclic hydrocarbon monomer having a dicarboxylic...
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7101944 |
Golf balls comprising non-ionomeric fluoropolymer
A golf ball comprising a core, a cover, and an intermediate layer disposed between the core and the cover, wherein the intermediate layer comprises a non-ionomeric fluoropolymer having a formula: ...
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7094469 |
Porous or non-porous substrate coated with an immobilized polymeric composition having sulfonyl groups and hydrophilic functional groups and process
A porous or non-porous polymeric substrate having its surface modified with an immobilized fluorocarbon such as perfluorocarbon, polymeric composition is provided. The immobilized fluorocarbon is...
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7091295 |
Amorphous perfluorinated polymers
Use of amorphous perfluorinated polymers for preparing transparent films at 157 nm, said perfluorinated polymers being free from unstable ionic end groups COF, COOH or their amidic derivatives,...
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7091288 |
Polymerization of vinylidene fluoride (VF2) in a supercritical fluid medium
Polymerization of fluoroolefin monomers proceeds in a supercritical carbon dioxide solvent at high monomer loading levels to provide a high molecular weight polymer with low polydispersity and/or a...
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7078473 |
Radical polymerization methods and halogenated polymers
Radical polymerization process for the preparation of halogenated polymers and block copolymers. Halogenated polymers and block copolymers.
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7074862 |
Emulsifier free aqueous emulsion polymerization process for making fluoropolymers
Emulsifier free fluoropolymer manufacturing method in which (a) a chain transfer agent, or a mixture of chain transfer agents are used wherein the chain transfer agents do not yield more than 0.4...
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7071271 |
Aqueous emulsion polymerization of functionalized fluoromonomers
A method is provided for aqueous emulsion co-polymerization of two or more fluoromonomers comprising the steps of: 1) forming an aqueous pre-emulsion by mixing a fluoromonomer according to formula...
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7063839 |
Continuous method and apparatus for separating polymer from a high pressure carbon dioxide fluid stream
A method for continuously separating polymer from a high pressure fluid stream comprises subjecting the high pressure fluid stream comprising polymer particles to a filter, wherein the filter...
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7060772 |
Fluoropolymers from tetrafluoroethylene and perfluoro(alkoxyalkyl vinyl) ether
A fluoropolymer having a melting point of at least 160° C. is provided wherein the fluoropolymer is derived from tetrafluoroethylene as the major component, one or more perfluoro vinyl ethers as...
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7045584 |
Process for the manufacture of thermally stable PVDF
The present invention relates to a process for the manufacture of PVDF homopolymer or copolymer by radical polymerization of vinylidene fluoride (VDF), and optionally of a comonomer, in aqueous...
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7029750 |
Thermoplastic resin composition and production method thereof
The present invention provides a thermoplastic resin composition comprising a thermoplastic resin (A), an acrylic polymer (B), a polytetrafluoroethylene-containing powder mixture (C) and a filler...
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7022457 |
Photoresists with hydroxylated, photoacid-cleavable groups
The present invention pertains to photoimaging and the use of photoresists (positive-working and/or negative-working) for imaging in the production of semiconductor devices. The present invention...
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7009018 |
Tetrafluoroethylene copolymer
Provided is a tetrafluoroethylene copolymer consisting of a unit based on tetrafluoroethylene and a unit based on a monomer represented by CF 2 ═CFOR f1 R f2 (where R f1 is a polyfluoroalkylene...
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6989427 |
Vinylidene fluoride polymer having a fraction of non-transferred chains and its manufacturing process
Blends of PVDF (polyvinylidene fluoride) homopolymer or copolymer with ABC triblock copolymers are useful for manufacturing parts which may be sheets, film, tubes, rods, centrifugal pump components...
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