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| Number | Title | Issue Date |
| 7790780 | Radically coupled PTFE polymer powders, and method for the production thereof Radically coupled PTFE polymer powders useful, for example, as tribomaterials, and a method for production thereof. Radically coupled PTFE polymer powders are provided which, when incorporated into a matrix as PTFE polymer compound, exhibit improved wear resistances... | 09/07/2010 |
| 7572839 | Seal ring and seal device A seal ring (10) of the present invention seals operating oil hermetically and is attached to an annular seal ring groove (16) provided on an outer circumference of a shaft member (12). The seal ring (10) includes fluororesin, modified fl... | 08/11/2009 |
| 7514480 | Low level radiation treatment for improving polymer properties Ionized irradiation can be used to improve the properties of fluoropolymers. In particular, elasticity, strain hardening, and melt strength of a fluoropolymer can be increased by LIP to an order of magnitude by exposure to controlled amounts of radiation; while poly... | 04/07/2009 |
| 7514481 | Polymer electrolytes crosslinked by e-beam A method of making a crosslinked polymer is provided as well as the polymer so made, the method comprising the steps of: providing a highly fluorinated fluoropolymer, typically a perfluorinated fluoropolymer, comprising pendent groups which include a group according... | 04/07/2009 |
| 7482393 | 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... | 01/27/2009 |
| 7439279 | Active energy ray curable coating composition and molded product having coating film made of cured product of said composition To provide a coating composition which forms a coating film having excellent fingerprint removability and having favorable abrasion resistance and transparency, and a molded product having a coating film made of a cured product of the composition. An active e... | 10/21/2008 |
| 7348366 | High temperature elastomers with low hydrocarbon vapor permeability An elastomer blend is made by admixing fluoroelastomer and fluorinated silicone polymer (with optional filler and/or conductive particulate) into a polymeric admixture in weight ratios to provide a low vaporous hydrocarbon permeation rate and high thermal strain val... | 03/25/2008 |
| 7300662 | Drug/drug delivery systems for the prevention and treatment of vascular disease A drug and drug delivery system may be utilized in the treatment of vascular disease. A local delivery system is coated with rapamycin or other suitable drug, agent or compound and delivered intraluminally for the treatment and prevention of neointimal hyperplasia f... | 11/27/2007 |
| 7294673 | Method of modifying polymeric material and use thereof A method of modifying a polymeric material whereby the polymeric material is modified to give a highly durable surface without decreasing its strength. Namely, a polymeric material is modified by the method comprising a combination of an impregnation step, an activa... | 11/13/2007 |
| 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 |
| 7270678 | Surface modification of functional group-containing medical devices with catalyst-containing reactive polymer system Surface modified medical devices such as intraocular lens implants formed from one or more functional group-containing materials using reactive, hydrophilic polymers with catalyst functionality for the purpose of reducing or eliminating lens epithelial cell growth t... | 09/18/2007 |
| 7265162 | Bromine, chlorine or iodine functional polymer electrolytes crosslinked by e-beam 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, as well as the polymer so made, the method comprising application of electro... | 09/04/2007 |
| 7241817 | Process for grafting a fluoropolymer and multilayer structures comprising this grafted polymer The present invention relates to a process for grafting an unsaturated monomer onto a fluoropolymer, having the steps of: a) melt blending the fluoropolymer with the unsaturated monomer; b) forming the blend obtain... | 07/10/2007 |
| 7229473 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 06/12/2007 |
| 7223286 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 05/29/2007 |
| 7220799 | Radiation-modified poly (tetrafluoroethylene) resin feeds and a process for producing the same Unsintered poly(tetrafluoroethylene) resin feeds are treated with ionizing radiation in an absorbed dose of no more than 1,000 Gy at room temperature in air so that only the melting temperature of the resin feeds is shifted toward the lower end without changing the ... | 05/22/2007 |
| 7220788 | Fluororubber molded article and method for producing the same The present invention relates to a fluororubber molded article obtained by subjecting a fluororubber composition to crosslinking by irradiation of ionizing radiation, wherein the fluororubber composition comprises: (i) a raw rubber having a metal element content of ... | 05/22/2007 |
| 7217286 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 05/15/2007 |
| 7179847 | Polymer electrolytes crosslinked by e-beam A method of making a crosslinked polymer is provided as well as the polymer so made, the method comprising the steps of: providing a highly fluorinated fluoropolymer, typically a perfluorinated fluoropolymer, comprising pendent groups which include a group according... | 02/20/2007 |
| 7134382 | Paint composition and sliding part A paint composition including a surface-modified fluoro-resin powder and a dispersion medium for dispersing the fluoro-resin powder, with the dispersion medium containing a heat-resistant resin and a solvent for dissolving the heat-resistant resin. The paint composi... | 11/14/2006 |
| 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 anhydride group and an endocyclic polymerizable unsaturated group, and ... | 09/26/2006 |
| 7112614 | Crosslinked polymer A method is provided for obtaining crosslinked polymers, particularly fluorinated polymers having pendent sulfonic acid groups, by crosslinking through pendent groups which include a sulfonyl chloride group (—SO2Cl). The sulfonyl chloride group may be r... | 09/26/2006 |
| 7083646 | Surface modification of functional group-containing intraocular lenses Surface modified medical devices such as intraocular lens implants formed from one or more functional group-containing materials using reactive, hydrophilic polymers for the purpose of reducing or eliminating lens epithelial cell growth thereon, reducing or eliminat... | 08/01/2006 |
| 7074841 | 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... | 07/11/2006 |
| 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 |
| 7060738 | Polymer electrolytes crosslinked by ultraviolet radiation 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, as well as the polymer so made, the method comprising application of ultravi... | 06/13/2006 |
| 7014980 | Photoresist composition A photoresist composition is provided that includes a polymer having at least one acrylate or methacrylate monomer having a formula where R1 represents hydrogen (H), a linear or branched alkyl group of 1 to 2... | 03/21/2006 |
| 6998063 | Method of forming microporous membranes A method of forming a microporous fluoropolymer membrane, comprising the steps of: irradiating a sheet of fluoropolymer at a dosage level below the rupture energy of the carbon-to-fluorine (C—F) bonds of the fluoropolymer, but sufficient to rupture carbon-t... | 02/14/2006 |
| 6884827 | Seal ring and seal device A seal ring seals operating oil hermetically and is attached to an annular seal ring groove provided on an outer circumference of a shaft member. The seal ring comprises fluororesin, metal powder having a hardness equal to or more than that of any of a side surface ... | 04/26/2005 |
| 6833393 | Curable composition, cured coating film and coated substrate A curable composition comprising a compound (A) having at least one active energy ray curable polymerizable functional group, a fluorine-containing copolymer (B) obtained by (1) copolymerizing a polymerizable monomer (a) having a polyfluoroalkyl group and a polymeri... | 12/21/2004 |
| 6806026 | Photoresist composition A photoresist composition is provided that includes a polymer having at least one acrylate or methacrylate monomer having a formula: where R1 represents hydrogen (H), a linear or branched alkyl group of 1 to... | 10/19/2004 |
| 6774155 | Method for treating polymer materials and products produced therefrom The invention is directed to methods for fabricating devices from polymer precursors, along with devices so fabricated. The methods of the invention include the steps of plasma treating a polymer based resin, paste, preform billet, or extrudate, and employing the tr... | 08/10/2004 |
| 6762215 | Radiation-modified poly(tetrafluoroethylene) resin feeds and a process for producing the same Unsintered poly(tetrafluoroethylene) resin feeds are treated with ionizing radiation in an absorbed dose of no more than 1,000 Gy at room temperature in air so that only the melting temperature of the resin feeds is shifted toward the lower end without changing the ... | 07/13/2004 |
| 6627673 | Methods of making humidity activated materials having shape-memory The present invention relates to shape deformable materials, which are capable of (1) being deformed, (2) storing an amount of shape deformation, and (3) recovering at least a portion of the shape deformation when exposed to a humid environment. The shape... | 09/30/2003 |
| 6610761 | Molded rubber irradiated with ionizing radiation and process for producing the same The present invention provides an ionizing radiation irradiated rubber molded product and a process for preparing the same, the rubber molded product being prepared by irradiating with an ionizing radiation a preform comprising 5 to 95% by weight of a flu... | 08/26/2003 |
| 6593392 | Curable halogenated compositions The invention provides an organic/inorganic hybrid material with low optical loss at telecommunications wavelengths. Energy curable compositions of the present invention include condensed silica nanoparticles, a fluorinated silane coupling agent, an energ... | 07/15/2003 |
| 6573311 | Method for treating polymer materials and products produced therefrom The invention is directed to methods for fabricating devices from polymer precursors, along with devices so fabricated. The methods of the invention include the steps of plasma treating a polymer based resin, paste, preform billet, or extrudate, and emplo... | 06/03/2003 |
| 6552099 | Modified fluororesin and process for producing the same A fluororesin heated at a temperature at or above the melting point of the resin is exposed in an inert gas atmosphere having an oxygen concentration of not more than 10 Torr to an ionizing radiation at a radiation dose of 0.1 kGy to 10 MGy to prepare a c... | 04/22/2003 |
| 6541537 | Acrylate polymeric compositions and methods A compound and a method of forming a photopolymerizable acrylated glycidyl acrylic terpolymer resin compound is disclosed. The polymeric resin may be formed in a two-step process. A photopolymerizable acrylic hybrid polymer is suitable for forming films h... | 04/01/2003 |
| 6517910 | Free radical polymerization method In one aspect the invention provides an energy efficient polymerization method comprising irradiating a polymerizable composition and a photoinitiator with a source of essentially monochromatic radiation where the photoinitiator and the wavelength of the ... | 02/11/2003 |
