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| Number | Title | Issue Date |
| 7435774 | Fluoromonomers, fluoropolymers, methods of preparing them, and their application to various surfaces and substrates This invention relates to compositions, and methods for producing compositions, for increasing oil repellency, water repellency, or both, of fabric or fibers, containing: (a) an effective amount of a repellent polymer selected from... | 10/14/2008 |
| 7348386 | Process for producing fluorocopolymer, fluorocopolymer, and molded object The present invention relates to a method for producing a fluorocopolymer which comprises a polymerization reaction of a fluorine-containing ethylenic monomer with a fluorovinyl ether derivative represented by the following general formula (I): CF2 | 03/25/2008 |
| 7332554 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 02/19/2008 |
| 7332555 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 02/19/2008 |
| 7307118 | Composition to reduce adhesion between a conformable region and a mold The present invention provides compositions that feature improved preferential adhesion and release characteristics with respect to a substrate and a mold having imprinting material disposed therebetween. To that end, the compositions facilitate bifurcation of the i... | 12/11/2007 |
| 7304101 | Method of purifying a dispersion of ionic fluoropolymer Anionic species are removed from aqueous dispersions of ionic fluoropolymers using anion exchange resins. In some embodiments, cationic species are also removed using cation exchange resins. ... | 12/04/2007 |
| 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 group-containing compound, and a polymer obtainable by polymerizing the sulfonyl... | 09/18/2007 |
| 7232872 | Polymerization processes The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. ... | 06/19/2007 |
| 7214750 | Polymerization processes The invention relates to new processes to produce polymers utilizing bayonette cooled slurry reactor systems and diluents including hydrofluorocarbons. ... | 05/08/2007 |
| 7196235 | Process for producing fluorinated vinyl ether There is provided a process for producing a fluorinated vinyl ether from a fluorinated acid fluoride compound having an ester group as a precursor of a carboxylic acid group, or a SO2F group as a precursor of a sulfonic acid group, in high yield by simple... | 03/27/2007 |
| 7157600 | Process for preparing (per) fluorohalogenethers A process for preparing (per)fluorohalogenethers containing the —SO2F group, having general formula (I): FSO2—R—CF2OCAF—CA′F2 (I) wherein: A and A′, e... | 01/02/2007 |
| 7153573 | Polymer composite particle comprising metal oxide and silicone and/or fluorine and method of producing the same The invention provides a polymer composite particle having superb blending stability even in a W/O emulsion cosmetic, a highly effective ultraviolet protection effect and a good feeling in use. The invention also relates to a method of producing the polymer composit... | 12/26/2006 |
| 7129009 | Polymer-liquid compositions useful in ultraviolet and vacuum ultraviolet uses This invention relates to a fluoropolymer nanocomposite comprising a fluoropolymer phase and an inorganic oxide phase dispersed throughout, said inorganic oxide phase having either no particles or particles substantially all of which have a particle size of less tha... | 10/31/2006 |
| 7071272 | Method for preparing unsaturated compound by pyrolysis reaction The present invention provides a method for preparing a compound of CF3CF2CF2OCF═CF2 by pyrolyzing a compound expressed by CF3CF2CF2OCF(CF3)COOCF2CF(CF3)O... | 07/04/2006 |
| 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 I: F2C═CF—R1—SO2X ... | 07/04/2006 |
| 6881784 | Methods for producing submicron polytetrafluoroethylene powder and products thereof A method for producing submicron polytetrafluoroethylene (“PTFE”) powder in a free-flowing, readily dispersible form. The irradiated PTFE starting material is placed in a desired solvent and undergoes grinding until the PTFE particles reach submicron size. The s... | 04/19/2005 |
| 6433040 | Stabilized bioactive preparations and methods of use Stabilized dispersions are provided for the delivery of a bioactive agent. The dispersions preferably comprise a plurality of perforated microstructures dispersed in a suspension medium that typically comprises a liquid fluorochemical. As density variatio... | 08/13/2002 |
| 6420515 | Preparation of hexafluoropropene oxide polymers A perfluorodicarboxylic fluoride of the formula: F--CO--CF2 --O--Rf--O--CF2 --CO--F or perfluorodiketone of the formula: R1 --CO--Rf--CO--R1 wherein Rf is a perfluoroalkylene group and R1 is a C1... | 07/16/2002 |
| 6280517 | Method for manufacturing a chemically adsorbed film and a chemical adsorbent solution for the method The methods of forming a chemically adsorbed film by contacting a substrate with a solution mixture containing an alkoxysilane surface active agent, a non-aqueous solvent and a silanol-condensing catalyst to form a film covalently bonded to the substrate ... | 08/28/2001 |
| 6255380 | Pressure-resistant, sliding tetrafluoroethylene resin composition A resin composition which exhibits good sealability while keeping creep deformation to a minimum when brought into sliding contact with a mating member at a high contact pressure of over 10 MPa, and which will not damage a mating member made from an alumi... | 07/03/2001 |
| 6242557 | Coating for coils Use of crosslinked polymers for coil coating based on perfluoropolyethereal polymers, comprising as repeating units sequences of one or more oxyfluoroalkylenic units such as --CF2 CF2 O--, --CR4 R5 CF2 | 06/05/2001 |
| 6197426 | Fluorochemical copolymer and fluorochemical copolymer compositions useful for imparting repellency properties to a substrate A method is disclosed of treating a substrate, comprising applying to the substrate a fluorochemical composition comprising fluorochemical copolymer derived from at least one fluorochemical monomer A, at least one monomer B, at least one monomer C and at ... | 03/06/2001 |
| 6156824 | Lubricative polymer containing liquid and method of forming film of lubricative polymer There is provided a lubricating polymer-containing liquid which comprises a film-forming lubricating polymer, preferably a fluoropolymer, and a liquid medium predominantly comprised of cyclic hydrofluorocarbon wherein said lubricating polymer is dissolved... | 12/05/2000 |
| 6156839 | Aqueous dispersion of small particles of polytetrafluoroethylene An aqueous microemulsion polymerization procedure is described in which very small colloidal polymer particles are produced from tetrafluoroethylene monomer. The polymerization procedure involves adding a free-radical initiator to a mixture of a microemul... | 12/05/2000 |
| 6066601 | Coating additive, coating composition containing said additive and method for coating a substrate using said coating composition A coating additive composition containing the combination of a) at least one non-crosslinked product made by the reaction of an amine and a carboxylic acid, the product containing at least two hydrocarbyl groups each having about 12 to about 100 carbon at... | 05/23/2000 |
| 6046271 | Microemulsion polymerization systems for the production of small melt-processible fluoropolymer particles An aqueous microemulsion polymerization procedure is described in which very small colloidal melt-processible fluoropolymer particles are produced from at least one monomer and optionally TFE. The polymerization procedure involves initiating polymerizatio... | 04/04/2000 |
| 6037399 | Microemulsion polymerization systems for the production of small melt-processible fluoropolymer particles An aqueous microemulsion polymerization procedure is described in which very small colloidal melt-processible fluoropolymer particles are produced from at least one gaseous monomer and optionally TFE. The polymerization procedure involves forming a microe... | 03/14/2000 |
| 6034207 | Polymers of hexafluoropropene oxide and process of making A hexafluoropropene oxide polymer of formula (1) having a dispersity Mw/mn of up to 1.10 is useful as a raw material for liquid rubber. In formula (1), R is --COF, --I, --Br, --CH2 OH, --CH2 OCH2 CH.dbd.CH2, --C... | 03/07/2000 |
| 5968996 | Matte finished release composition, linerless labels incorporating the release compositon and method for making same A silicone release composition having a non-gloss, i.e., matte finished, surface and a linerless label incorporating the silicone release composition. The release composition includes a crosslinked silicone-based polymer having microparticles of a polymer... | 10/19/1999 |
| 5945478 | High speed extrusion Extrusion rheology of thermoplastic polymer as manifested by surface smoothness is improved by incorporating foam cell nucleating agents into the polymer and extruding the polymer under laminar flow to form unfoamed extrudate.... | 08/31/1999 |
| 5925705 | Aqueous dispersion of vinylidene fluoride polymer and preparation process thereof Aqueous dispersion of a vinylidene fluoride (VdF) polymer which comprises a VdF polymer having a particle size of not more than 200 nm and contains 30 to 50% by weight of solids and not more than 1% by weight of a fluorine-containing surfactant on the bas... | 07/20/1999 |
| 5907013 | Method for manufacturing a chemically adsorbed film and a chemical adsorbent solution for the method The methods of forming a chemically adsorbed film by contacting a substrate with a solution mixture containing an alkoxysilane surface active agent, a non-aqueous solvent and a silanol-condensing catalyst to form a film covalently bonded to the substrate ... | 05/25/1999 |
| 5872157 | Method for olefin oxidation A process for making oxidized olefins is disclosed. Specifically, the process comprises providing an olefin and oxygen in combination in a reaction medium comprising carbon dioxide, and then oxidizing the olefin in the reaction medium to make the oxidized... | 02/16/1999 |
| 5854310 | Curable fluorosilicone composition having improved lubricity The present invention is a curable fluorosilicone composition having improved lubricity, low compression set, and good resistance to fluids such as automotive fuel without post-curing. The composition comprises (A) poly(trifluoropropyl)methylsiloxane, (B) ... | 12/29/1998 |
| 5688457 | High speed extrusion Extrusion theology of thermoplastic polymer as manifested by surface smoothness is improved by incorporating foam cell nucleating agents into the polymer and extruding the polymer under laminar flow to form unfoamed extrudate.... | 11/18/1997 |
| 5608002 | Water- and oil-repelling agent composition and process for preparing the same Process for preparing a water- and oil-repelling agent composition, which is obtained by solution-polymerizing a polymerizable monomer component which contains at least a monomer having a polyfluoroalkyl group in a polymerization solvent which contains at... | 03/04/1997 |
| 5605958 | Composition for surface treatment A composition for surface treatment, which comprises the following components (I), (II) and (III) as essential components: (I) at least one compound capable of forming a coating film with a contact angle of at least 70° against water; (II) a solvent capable o... | 02/25/1997 |
| 5587449 | Process for the preparation of polyacetal copolymers In the process for the preparation, with simultaneous end group stabilization, of polyacetal copolymers in a homogeneous phase and working up thereof, cyclic formaldehyde oligomers are copolymerized with cyclic acetals in the presence of an initiator in a... | 12/24/1996 |
| 5530053 | Liquid toners utilizing highly fluorinated solvents Electrostatic toners comprising polymeric dyes comprising of (1) discrete segments that are dispersible in highly fluorinated solvents and (2) discrete color-imparting segments. These toners can be prepared by a means of a polymerization process, wherein ... | 06/25/1996 |
| 5525697 | Process for cellular polymeric products The invention provides a process for the preparation of a cellular polymeric product which comprises reaction of a polyisocyanate composition with an isocyanate-reactive composition having a functionality of at least 2, in the presence of a blowing agent ... | 06/11/1996 |
