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| Number | Title | Issue Date |
| 8101698 | Surface active prepolymers with both fluorine-containing groups and hydrophilic groups Provided are surface modified contact lenses formed from one or more fumaric-or itaconic-containing prepolymers having polymerizable functionality that is complimentary to polymerizable hydrophilic polymers. ... | 01/24/2012 |
| 7935770 | Surface active prepolymers with both fluorine-containing groups and hydrophilic groups Provided are surface modified contact lenses formed from one or more fumaric- or itaconic-containing prepolymers having polymerizable functionality that is complimentary to polymerizable hydrophilic polymers. ... | 05/03/2011 |
| 7932334 | Resin suitable for an acid generator The present invention provides a resin which generates an acid by irradiation and is a salt of an organic cation and an anionic polymer wherein the anionic polymer has no carbon-carbon unsaturated bond. The present invention further provides a chemically amplified r... | 04/26/2011 |
| 7812105 | Compound, polymer, and radiation-sensitive composition A radiation-sensitive resin composition is provided which has high transparency to radiation, excelling in basic properties as a resist such as sensitivity, resolution, and pattern shape, and, in particular, a high resolution radiation-sensitive resin composition pr... | 10/12/2010 |
| 7799883 | Norbornene-type polymers, compositions thereof and lithographic process using such compositions Embodiments of the present invention relate generally to non-self imageable and imageable norbornene-type polymers useful for immersion lithographic processes, methods of making such polymers, compositions employing such polymers and the immersion lithographic proce... | 09/21/2010 |
| 7666964 | Fluoroacrylate-mercaptofunctional copolymers A copolymer comprises repeating units derived from at least one co-reactant comprising two or more mercapto functional groups, and repeating units derived from a fluoroacrylate comprising the reaction product of: (a) at least one f... | 02/23/2010 |
| 7662896 | Fluorochemical sulfonamide surfactants Described are fluorochemical surfactants derived from nonafluorobutanesulfonyl fluoride that contain polyalkyleneoxy side chains and may be copolymerized with acrylic acid or methacrylic acid to form polyacrylates or polymethacrylates. The surfactants surprisingly l... | 02/16/2010 |
| 7582713 | Ion exchange polymer dispersion, process for its production and its use A thickened ion exchange polymer dispersion is obtained by applying ultrasonic vibration or a shearing force to an ion exchange polymer dispersion having a fluorinated polymer having sulfonic acid groups as an ion exchange polymer uniformly dispersed in a dispersion... | 09/01/2009 |
| 7538169 | Ion conductive film and fuel cell using the same Disclosed is an ion conductive film containing a composite body between an ion conductive polymer and a nitrogen-containing compound. The nitrogen-containing compound has an immobilized portion to the ion conductive polymer and exhibits an enantiomeric isomer struct... | 05/26/2009 |
| 7534844 | Monomer substituted photoacid generator of fluoroalkylsulfon and a polymer thereof The present invention relates to a novel compound with a fluoroalkylsulfonium photoacid generating group and novel copolymers having superior solubility in organic solvents, which is prepared from radical polymerization of the novel compound with methacrylate monome... | 05/19/2009 |
| 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 provided. Also provided are a fluorosulfonyl group-containing polymer obtaine... | 05/12/2009 |
| 7473748 | Vinyl monomer with superacid ester group and polymer of the same A superacidic ester group is useful in the production of ionomers for polymer electrolyte fuel cells. A polymer is produced from said vinyl monomer. A process produces a polymer containing a superacidic group. The vinyl monomer contains a haloalkyl ester group of a ... | 01/06/2009 |
| 7435498 | Polymer electrolyte membranes crosslinked by nitrile trimerization A method is provided for making a crosslinked polymer electrolyte, typically in the form of a membrane for use as a polymer electrolyte membrane in an electrolytic cell such as a fuel cell, by trimerization of nitrile groups contained on groups pendant from the poly... | 10/14/2008 |
| 7425600 | Polymerization products and biomedical devices containing same Polymerization products formed from a monomeric mixture comprising (a) one or more first monomers of the general formula I: A-L-R1—(X—CF═CF2)n (I) wherein R1 represents one or more inertly su... | 09/16/2008 |
| 7417099 | Fluorochemical sulfonamide surfactants Described are fluorochemical surfactants derived from nonafluorobutanesulfonyl fluoride that contain polyalkyleneoxy side chains and may be copolymerized with acrylic acid or methacrylic acid to form polyacrylates or polymethacrylates. The surfactants surprisingly l... | 08/26/2008 |
| 7399791 | Fluorinated membranes Ionomeric membranes comprising (per)fluorinated, se-micrystalline or amorphous, ionomeric polymers, having equivalent weight (EW) from 380 g/eq to 1,800 g/eq, which used in fuel cells, under the following conditions: membrane thick... | 07/15/2008 |
| 7393906 | Perfluorinated polymers Amorphous perfluorinated homopolymers and copolymers of perfluorodioxoles of formula (IA): wherein R′F is equal to RF or ORF wherein RF is a linear or branched perfluoroalkyl ra... | 07/01/2008 |
| 7384730 | Top coating composition for photoresist and method of forming photoresist pattern using same Top coating compositions capable of being used in immersion lithography, and methods of forming photoresist patterns using the same, are provided. The top coating composition includes: a polymer, a base; and a solvent, wherein the polymer may be represented by Formu... | 06/10/2008 |
| 7348369 | Colored fine particle dispersion, ink using the same, and ink-jet recording method The invention provides a colored fine particle dispersion wherein colored fine particles including a dispersible polymer having both of a hydrophilic polymer moiety and a hydrophobic polymer moiety which has a glass transition temperature (Tg) of 0° C. or less and ... | 03/25/2008 |
| 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 |
| 7342066 | Aqueous dispersions of polytetrafluoroethylene particles The present invention provides an aqueous non-melt processible polytetrafluoroethylene dispersion comprising non-melt processible polytetrafluoroethylene particles in an amount between 30 and 70% by weight based on the total weight of the dispersion and one or more ... | 03/11/2008 |
| 7338742 | Photoresist polymer and photoresist composition containing the same The present invention relates to photoresist polymers and photoresist compositions. The disclosed photoresist polymers and photoresist compositions containing the same have excellent transmittance, etching resistance, thermal resistance and adhesive property, low li... | 03/04/2008 |
| 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 |
| 7307113 | Fluorosulfonic acid organic polymers The present invention provides for a composition and a process for forming the composition. The composition comprises an organic polymer and 0.5-40% by weight of the composition of a siloxane, the organic polymer having a fluorinated backbone and 3-20 mol-% of penda... | 12/11/2007 |
| 7303858 | Photoacid generating polymer, its preparation method, top anti-reflective coating composition comprising the same, method of forming a pattern in a semiconductor device, and semiconductor device Disclosed herein is a photoacid generating polymer represented by Formula 1 below: wherein R1 is a C1-10 hydrocarbon or a C1-10 hydrocarbon in which the hydrogen atoms are wholly ... | 12/04/2007 |
| 7300984 | Process for preparing graft copolymers and membranes formed therefrom A process for preparing a graft copolymers is provided comprising exposing a polymeric base material to a dose of ionizing radiation, and then contacting the irradiated base material with a microemulsion comprising at least one fluorostyrenic monomer, water and wate... | 11/27/2007 |
| 7294610 | Fluorinated sulfonamide surfactants for aqueous cleaning solutions Described are anionic N-substituted fluorinated sulfonamide surfactants, and use thereof in cleaning and in acid etch solutions. The cleaning and etch solutions are used with a wide variety of substrates, for example, in the cleaning and etching of silicon oxide-con... | 11/13/2007 |
| 7288282 | Coating compositions containing a fluorinated organosilane polymer A coating composition containing a film-forming organosilane polymer, optionally a non-aqueous dispersed polymer, and a crosslinking agent selected from one or both of an organic polyisocyanate and melamine crosslinker. Fluorine functionalities are incorporated in t... | 10/30/2007 |
| 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 polymer membrane, wherein the partially fluorinated copolymer has formula ... | 10/23/2007 |
| 7282525 | Pellicle, producing method thereof and adhesive A pellicle comprises a pellicle film and a pellicle frame for supporting the pellicle film, wherein the pellicle film is adhered to the pellicle frame through an adhesive layer comprising a fluorine-containing polymer and a substance resulting from curing of an ultr... | 10/16/2007 |
| 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 and at least one group chosen from —O or one of the groups C≡N, ... | 09/18/2007 |
| 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 |
| 7271231 | Polymerization of olefins Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and ... | 09/18/2007 |
| 7262252 | Nonlinear optical materials comprising fluorine-containing polymer There is provided a fluorine-containing resin composition which is used for nonlinear optical material and comprises (I) a fluorine-containing prepolymer and (II) an organic compound exhibiting a second- or higher-order nonlinear optical effect, in which the fluorin... | 08/28/2007 |
| 7253241 | Fluorochemical containing low adhesion backsize In one aspect, the invention provides a water-based release coating composition comprising a mixture of (A.) from about 5 to about 100 wt % of a polymer comprising the reaction product of (a.) from 1 to about 15 wt % of a fluorinated monomer selected from the group ... | 08/07/2007 |
| 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 variety of convent... | 07/24/2007 |
| 7238735 | Process for producing aqueous dispersion of purified polytetrafluoroethylene A process for producing an aqueous dispersion of purified polytetrafluoroethylene (PTFE), comprising passing a crude aqueous dispersion of PTFE comprising from 10 to 50 mass % of PTFE fine particles having an average particle diameter of from 0.1 to 0.5 μm, from 0.... | 07/03/2007 |
| 7232872 | Polymerization processes The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. ... | 06/19/2007 |
| 7217742 | Sulphonic fluorinated ionomers Sulphonic fluorinated ionomers crosslinked by radical crosslinking of: A) crosslinkable sulphonic fluorinated ionomers, having equivalent weight 380–1300 g/eq and comprising: from 48% to 85% by moles of monomeric units deriving from tetrafluoroethylen... | 05/15/2007 |
