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| Number | Title | Issue Date |
| 7803890 | Fluorocopolymers A process for the preparation of a fluoroolefin polymer, including the step of: contacting in a reaction zone: an initiator; CF3CF═CH2, and optionally, at l... | 09/28/2010 |
| 7550545 | Fluorinated compound, and fluoropolymer, process for its production and resist composition containing it To provide a fluoropolymer having functional groups and having high transparency in a wide wavelength region, and a resist composition comprising the fluoropolymer. A fluoropolymer (A) having monomer units formed by polymerization of a fluorinated diene repre... | 06/23/2009 |
| 7498393 | Fluorinated compound, fluoropolymer, resist composition, and composition for resist protective film A fluoropolymer having functional groups and having high transparency in a wide wavelength range is provided, and a resist composition and a composition for a resist protective film, comprising the fluoropolymer, wherein the fluoropolymer has monomer units formed by... | 03/03/2009 |
| 7252886 | Curable composition and process for producing cured fluorinated product To provide a curable composition which gives a cured fluorinated product excellent in transparency, light resistance (particularly against a short wavelength light having a wavelength of from 200 to 500 nm) and heat resistance, and having a controlled volume particu... | 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 |
| 7244545 | Fluorinated compound, fluoropolymer and process for its production The present invention provides a fluorinated compound having functional groups in a high concentration so that adequate characteristics of the functional groups can be obtained and having high transparency in a wide wavelength region, a fluoropolymer, and a process ... | 07/17/2007 |
| 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 |
| 7211629 | Process for the preparation of low fuming fluoropolymer The present invention relates to the reduction of oligomer content of melt-processible fluoropolymer so that the fluoropolymer has at least 25 ppm less oligomer than the as-polymerized fluoropolymer, the reduction being obtained by melting the fluoropolymer forming ... | 05/01/2007 |
| 7189789 | Curable fluoropolyether composition and rubber article A curable fluoropolyether composition comprising (A) a fluoropolyether compound containing alkenyl radicals and having a fluorine content of at least 40% by weight, (B) a curing agent in the form of a fluorinated organosilicon compound which is fully soluble in the ... | 03/13/2007 |
| 7144965 | Halogenated styrene compounds and very low-loss polymers made therefrom The invention is directed to polymerizable vinyl compounds having halogenated aromatic groups and to a method of synthesizing such compounds. In particular, the invention is directed to polymerizable aromatic vinyl compounds wherein, except for the vinylic hydrogen ... | 12/05/2006 |
| 7129298 | Tetrafluoroethylene based resin molding material excellent in high frequency electric characteristics The present invention provides a TFE resin molding material which has electric characteristics, particularly low dielectric dissipation factor, in a microwave area, can also lower extrusion pressure as the material is of low molecular weight and can provide a molded... | 10/31/2006 |
| 7101943 | Peroxide-curable fluoroelastomers Fluoroelastomers, curable by peroxidic route, obtainable by polymerizing the following monomers: a) C2–C8 hydrogenated fluoroolefins; b) fluorovinylethers of general formula: CFX═CXOCF2OR ... | 09/05/2006 |
| 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 formed from a monomer having formula: [T—SO2Y—SO2 | 08/22/2006 |
| 7071273 | Tetrafluoroethylene copolymer, its production method and paste extruded product Provided are a tetrafluoroethylene copolymer excellent in paste extrudability, which comprises a unit based on tetrafluoroethylene and a unit based on a monomer represented by a formula of CF2═CF—O—(CF2)nCF═CF2 (wh... | 07/04/2006 |
| 7070653 | Method of providing a fire barrier and article therefor A method of providing a fire barrier that includes coating an opening in a structure with a composition that includes an elastomer. The composition is substantially free of volatile organic compounds and, when dry, exhibits a tensile strength of from about 300 psi t... | 07/04/2006 |
| 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 |
| 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 the minor component, the perfluoro vinyl ether having the formula CF | 06/13/2006 |
| 7026416 | Fluoropolymer To provide a fluoropolymer suitable for use as a base polymer for resist materials for excimer lasers having a wavelength of 250 nm or shorter. A fluoropolymer having a monomer unit formed by cyclopolymerization of a fluorinated diene compound represented by ... | 04/11/2006 |
| 7015366 | Fluorinated compound, fluoropolymer and process for its production To provide a fluoropolymer which has a high concentration of functional groups to provide adequate characteristics of the functional groups and which brings about no decrease of Tg. A fluoropolymer having monomer units formed by cyclopolymerization of a funct... | 03/21/2006 |
| 7005095 | Process for production of vulcanized rubber-resin composites In the production of a vulcanized rubber-resin composite material by providing a vulcanized rubber molding in a mold, followed by injecting a resin into the mold, a vulcanizable adhesive layer containing brominated poly(2,3-dichlorobutadiene-1,3) as the main compone... | 02/28/2006 |
| 6984698 | Polyethylene films for barrier applications Disclosed is a method of modifying polyethylene to increase its ability to resist the transmission of water vapor. The polyethylene is modified to increase long chain branching resulting in lower water vapor transmission rates in films prepared with the modified pol... | 01/10/2006 |
| 6984704 | Fluorinated compound, fluoropolymer and process for its production To provide a fluoropolymer which has a high concentration of functional groups to provide adequate characteristics of the functional groups and which brings about no decrease of Tg. A fluoropolymer having monomer units formed by cyclopolymerization of a funct... | 01/10/2006 |
| 6979699 | 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 tetrafluoroethylene ... | 12/27/2005 |
| 6911513 | Fluorinated diene compound and fluoropolymer, and methods for their production A novel fluoropolymer which can be an optical resin material having a low refractive index and excellent heat resistance, and a novel fluorinated diene compound having two unsaturated bonds, capable of presenting such a fluoropolymer, are presented. Further, by virt... | 06/28/2005 |
| 6891071 | Halogenated styrene compounds and very low-loss polymers made therefrom The invention is directed to polymerizable vinyl compounds having halogenated aromatic groups and to a method of synthesizing such compounds. In particular, the invention is directed to polymerizable aromatic vinyl compounds wherein, except for the vinylic hydrogen ... | 05/10/2005 |
| 6872324 | Aqueous dispersion An aqueous dispersion comprising a polymer (a) having a repeating unit (A) which comprises four carbon atoms connected in a linear chain and which has one double bond at the second position and a polyfluoroalkyl group bonded to an arbitrary carbon atom, and a surfac... | 03/29/2005 |
| 6858692 | Fluorinated compound, fluoropolymer and process for its production A fluoropolymer having repeating units formed by cyclopolymerization of a functional group-containing fluorinated diene represented by the following formula: CF2═CR1-Q-CR2═CH2 (1) wherein each ... | 02/22/2005 |
| 6844036 | Fluoroelastomeric compositions Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix; B) a semi-crystalline fluoropolymer, in an amount from higher than 40% to 90% by weight based on the total of A)+B); the fluoroela... | 01/18/2005 |
| 6767977 | Fluorinated ionomers Semicrystalline sulphonic fluorinated ionomers having an equivalent weight higher than 700 g/eq, up to 1,700, comprising: (A) monomeric units deriving from one or more fluorinated monomers containing at least one ethylene unsaturation; (B) fluorinated ... | 07/27/2004 |
| 6756458 | Fluorinated compound, method for its production and polymer thereof A novel polymer useful as an optical resin material excellent in heat resistance, a novel monomer for obtaining the polymer, etc., are provided. A fluorinated diene represented by CF2═CF(CF2)nC(CF3)ROCF═CF2 ... | 06/29/2004 |
| 6750296 | Polymer material with stable non-wetting surface The present invention provides block copolymers with semifluorinated LC side groups (single or monodendron groups). The block copolymers can be blended with a thermoplastic elastomer block copolymer, e.g., styrene-ethylene/butylene-styrene (SEBS) to provide a surfac... | 06/15/2004 |
| 6706834 | 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 tetrafluoroethylene (TFE);... | 03/16/2004 |
| 6696534 | Random copolymer compositions Fluoropolymers consisting of alternating perfluorocyclobutane and aryl ether linkages possess suitable properties for optical waveguides and other devices using refractive properties of the polymers. Perfluorocyclobutane (PFCB) polymers having aryl groups... | 02/24/2004 |
| 6696512 | Aqueous dispersions of fluoropolymers Aqueous dispersions of fluoropolymers containing as stabilizer from 1 to 30% by weight with respect to the fluoropolymer, of a non ionic surfactant having the following structure: wherein: n is in the range 8-20, preferably 12-15; m is in the range 5-2... | 02/24/2004 |
| 6689855 | Diffraction devices and methods Fluoropolymers consisting of alternating perfluorocyclobutane and aryl ether linkages possess suitable properties for optical waveguides and other devices using refractive properties of the polymers. Perfluorocyclobutane (PFCB) polymers having aryl groups... | 02/10/2004 |
| 6660820 | Low dielectric constant polymer and monomers used in their formation A new class of fluorinated arylacetylene compounds useful as monomers in the formation of polymers having low dielectric constant. These polymers, which are the reaction products of one of the fluorinated arylacetylene compounds, a diphenyl oxide biscyclo... | 12/09/2003 |
| 6660803 | Method of preparing (perfluoroalkyl) ethyl acrylic esters and methods of preparing copolymers using said esters A polyfluoroalkyl iodide is reacted with a (meth)acrylic acid metal salt to form a corresponding polyfluoroalkyl (meth)acrylate ester. The polyfluoroalkyl (meth)acrylate ester is separated from the reaction product through the evaporation, so that the est... | 12/09/2003 |
| 6649715 | Fluoropolymers and methods of applying fluoropolymers in molding processes Fluoropolymers consisting of alternating perfluorocyclobutane and aryl ether linkages possess suitable properties for optical waveguides and other devices using refractive properties of the polymers. Perfluorocyclobutane (PFCB) polymers having aryl groups... | 11/18/2003 |
| 6646075 | High molecular weight perfluorocyclobutane polymers and method of making This invention relates to high molecular weight perfluorocyclobutane polymers and methods of polymerizing trifluorovinyl monomers to form high molecular weight perfluorocyclobutane polymers in the presence of a catalyst or initiator.... | 11/11/2003 |
| 6534671 | Photocurable halofluorinated acrylates This invention relates to a novel class of halofluorinated acrylates and more particularly to chlorofluorinated or bromofluorinated acrylates characterized by a chlorofluorinated or bromofluorinated alkylene moiety with acrylate functions at both terminal... | 03/18/2003 |
