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| Number | Title | Issue Date |
| 7977431 | Dithiocarbamic esters The present invention relates to dithiocarbamic esters, their preparation and their use for regulating the degree of polymerization during the polymerization of monomers, such as during the polymerization of chloroprene to give polychloroprene, and during the polyme... | 07/12/2011 |
| 7932323 | Polyolefin-based adhesives having improved oxidative stability Disclosed is an adhesive composition. The adhesive composition comprises a polyolefin, a maleated polyolefin, a Bronsted acid, and an antioxidant. The adhesive composition has improved oxidative stability compared with those which do not contain Bronsted acids. ... | 04/26/2011 |
| 7825193 | Dithiocarbamic esters The present invention relates to dithiocarbamic esters, their preparation and their use for regulating the degree of polymerization during the polymerization of monomers, such as during the polymerization of chloroprene to give polychloroprene, and during the polyme... | 11/02/2010 |
| 7416559 | Micromantled drug-eluting stent Pharmacologically active, easy-to-deploy, biomechanically compatible, inflatable endovascular, drug-eluting stent are formed of a primary expandable polymeric or metallic construct, intimately mantled with a biomechanically compatible, polymeric microporous, microfi... | 08/26/2008 |
| 7358308 | Compositions for use in golf balls A golf ball comprising a core, an outer cover layer, and, optionally, an intermediate layer disposed between the core and the outer cover layer is presently disclosed. At least one layer of the golf ball is formed from a composition comprising a base polymer, a cros... | 04/15/2008 |
| 7273900 | Resin composition, prepreg, laminate sheet and printed wiring board using the same and method for production thereof There are provided a resin composition comprising a crosslinking component with a weight average molecular weight of 1,000 or less having a plurality of styrene groups and represented by the following formula: wh... | 09/25/2007 |
| 7247688 | Method for synthesis of block polymers by controlled free radical polymerization The invention concerns a method for preparing a first generation polymer comprising a step which consists in free radical polymerization of a composition comprising: at least an ethylenically unsaturated monomer, a source of free radicals, at least a dithiophosphoro... | 07/24/2007 |
| 7208551 | Polyaryleneetherketone phosphine oxide compositions incorporating cycloaliphatic units for use as polymeric binders in thermal control coatings and method for synthesizing same Polyaryleneetherketone triphenylphosphine oxide compositions incorporating cycloaliphatic units are provided which may be used as a polymeric binders in thermal control coatings for use in space environments. A method is also provided for synthesizing the polyarylen... | 04/24/2007 |
| 7172810 | Resin compositions, monofilaments, process for producing the same and fishing lines Monofilaments comprising resin compositions which contain 1% by mass or more of a comonomer component (for example, hexafluoropropylene), have an intrinsic viscosity of 1.3 dl/g or more and a melting point of 165° C. or higher and contain a PVDF-based resin. Owing ... | 02/06/2007 |
| 7138455 | Acrylic polymer powder, acrylic sol and molding An acrylic polymer powder obtained by coagulating and drying a latex containing acrylic polymer particles, in which acrylic polymer powder, the average particle size of the powder is 5 to 10 μm, the percentage of void is 70% or less, and the integral void volume on... | 11/21/2006 |
| 7098261 | Polymer-supported phosphorus ligands for catalysis Novel phosphine and phosphine oxide ligands are prepared using polymeric supports. These compounds can be easily cleaved from the support, and along with the corresponding supported compounds, used as ligands in the preparation of novel, metal-complexed catalysts. | 08/29/2006 |
| 7026395 | Golf balls having a cover layer formed from an ionomer and metallocene-catalyzed polyolefin blend and methods of making same The disclosed invention provides a golf ball including a core and a cover of at least two layers, wherein the at least one cover layer includes an inner cover layer of at least one ionomer resin and an outer cover formed from a polymer blend including at least one g... | 04/11/2006 |
| 6992135 | Multi-layer golf ball with a thin, castable outer layer A golf ball including a core; an intermediate layer formed from a polymer blend including a first material having a flexural modulus of between about 65,000 psi and about 120,000 psi and a second material including a grafted-metallocene polymer; and a cover layer fo... | 01/31/2006 |
| 6890524 | Hydrolyzable delivery system using cross-linked polymeric resins as vehicles This invention provides a method of preparing a polymeric delivery system for active ingredients. The delivery system is formed either by attaching the active ingredient to a linker through a hydrolyzable covalent bond, then forming a covalent bond between the linke... | 05/10/2005 |
| 6699940 | Cyanoacrylate-capped heterochain polymers and tissue adhesives and sealants therefrom The present invention is directed toward cyanoacrylate-based tissue adhesive or sealant compositions comprising cyanoacrylate-capped heterochain polymers, such as those comprising one or more oxyalkylene, alkylene carbonate, and ester-units derived from c... | 03/02/2004 |
| 6646079 | Multimodal polymers by controlled radical polymerization in the presence of alkoxyamines For the preparation of a multimodal polymer at least one monomer is subjected to free radical polymerization in the presence of several alkoxyamines comprising the sequence of formula: ##STR1## in which RL is a monovalent radical exhibiting a m... | 11/11/2003 |
| 6596824 | Method for producing polyolefin and gas phase polymerization apparatus Provided is a continuous vapor-phase polymerization method for producing polyolefins. In the method, polymer agglomerates and aggregates are prevented from being formed, and polymer deposition on the wall of reactors and around stirring blades is prevente... | 07/22/2003 |
| 6569949 | Pressure-sensitive adhesives for marking films Inherently tacky, pressure-sensitive adhesive compositions useful in marking film applications are provided. The compositions comprise polymer particles prepared by emulsion polymerization of at least one monomer mixture. The monomer mixture comprises at ... | 05/27/2003 |
| 6534597 | Polymerizable compounds and use thereof Polymerizable ester surfactant, or a salt thereof, having the formula: R1 --C(O)--R2 --X wherein: R1 is an optionally substituted vinyl radical, R2 is a divalent polyoxyalkylene radical having at least two oxypropylene un... | 03/18/2003 |
| 6462137 | Star-block interpolymers and preparation of the same The present invention relates to star-block interpolymers having the following structure (X-Y)n -C, wherein X represents a random copolymer block derived from conjugated diene and monovinyl aromatic monomer; Y represents a polyconjugated diene ... | 10/08/2002 |
| 6388012 | Thermosetting powder resin composition A thermosetting powder paint composition comprising (A) a resin composition component, (B) a hardener component and (C) a solid flow controlling component, wherein the component (A) contains a resin composition component having reactivity with the compone... | 05/14/2002 |
| 6331594 | Process for producing blends of syndiotactic 1,2-polybutadiene and rubbery elastomers with an iron-based catalyst system A process for preparing blends of syndiotactic 1,2-polybutadiene and rubbery elastomers comprising the steps of (1) providing a mixture of high cis-1,4-polybutadiene rubber cement and 1,3-butadiene monomer, and (2) combining (a) an iron-containing compoun... | 12/18/2001 |
| 6252004 | Process for preparing multi-stage polymer emulsions and multi-stage polymers formed therefrom A process for preparing emulsion polymer particles comprising: (a) providing an aqueous emulsion of a multistage core-shell polymer with a hydrophilic core, (b) adding one or more inhibitors to substantially stop any polymerization, (c) adding monomer to ... | 06/26/2001 |
| 6197888 | Process for producing blends of syndiotactic 1, 2-polybutadiene and rubbery elastomers with an iron-based catalyst system Blends of syndiotactic 1,2-polybutadiene and rubbery elastomers are prepared by a process that comprises polymerizing 1,3-butadiene monomer into syndiotactic 1,2-polybutadiene within a rubber cement of at least one rubbery elastomer by using an iron-based... | 03/06/2001 |
| 6166146 | Curable resin composition, adhesive composition, bonded product, speaker and bonding method A curable resin composition comprising (1) a polymerizable vinyl monomer, (2) a polymerization initiator, (3) an aromatic amine and/or a pyridine derivative, (4) a ଲ-diketone chelate and/or a ଲ-keto-ester, and (5) a phosphate.... | 12/26/2000 |
| 6162882 | Preparation of novel homo- and copolymers using atom transfer radical polymerization The present invention is directed to a process of atom (or group) transfer radical polymerization for the synthesis of novel homopolymer or a block or graft copolymer, optionally containing at least one polar group, with well defined molecular architectur... | 12/19/2000 |
| 6124411 | Preparation of novel Homo- and copolymers using atom transfer radical polymerization The present invention is directed to a process of atom (or group) transfer radical polymerization for the synthesis of novel homopolymer or a block or graft copolymer, optionally containing at least one polar group, with well defined molecular architectur... | 09/26/2000 |
| 6008299 | Optic devices formed from melt processable thermoplastic materials having a high refractive index This invention relates generally to optic devices such as ophthalmic lenses, lens blanks, and lens preforms, made from a thermoplastic material of a specific formula and a process for forming the same.... | 12/28/1999 |
| 5994497 | Compositions having a phosphazene derivative and a cross-linking agent The invention relates to hardenable compositions which contain as the essential constituent, in the non-hardened condition, at least one phosphazene derivative of the general formula [NP--(X--Y--Z)2 ]n, and at least one cross-linking... | 11/30/1999 |
| 5945491 | Preparation of novel homo- and copolymers using atom transfer radical polymerization The present invention is directed to a process of atom (or group) transfer radical polymerization for the synthesis of novel homopolymer or a block or graft copolymer, optionally containing at least one polar group, with well defined molecular architectur... | 08/31/1999 |
| 5929169 | Fluoroelastomer composition with organo-onium and blocked-carbonate compounds This invention provides curable fluoroelastomer compositions comprising: (a) a fluorine-containing polymer or blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturat... | 07/27/1999 |
| 5902838 | Process for the assembly of glass devices subjected to high temperatures, compositions therefor and novel polymers for rheological control of such compositions Cationically curable adhesives and sealants with increased viscosities and improved rheological control and good storage stability are prepared using a cationically curable monomer and a thickening polymer which is the alkylation reaction product of poly(... | 05/11/1999 |
| 5837776 | Process for producing water soluble anionic dispersion polymers Aqueous dispersions of water soluble nonionic and anionically charged vinyl and allyl addition polymers can be obtained by polymerizing in the presence of an anionically charged water soluble polymer stabilizer in a saturated salt solution. Methods for th... | 11/17/1998 |
| 5728773 | Fluoroelastomer composition with organo-onium and blocked-carbonate compounds This invention provides curable fluoroelastomer compositions comprising: (a) a fluorine-containing polymer or blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturat... | 03/17/1998 |
| 5726245 | Color-stable, weather-, and impact-resistant molding compositions based on polymethylmethacrylate, and process for production thereof Highly transparent, impact-resistant molding compositions based on polymethyl methacrylate (PMMA), having excellent color stability both during processing at high temperatures, as well as when under thermal stress, as a result of multiple processing with ... | 03/10/1998 |
| 5658663 | Vinylidene fluoride resin fiber and process for producing the same A vinylidene fluoride resin fiber have a diameter of not less than 0.5 mm, and satisfy the formulae (1) and (2): Raࣙ0.5 (1) Rbࣙ(Ra+Rc)/3.0 (2) wherein Rc represents a ratio of abs... | 08/19/1997 |
| 5610248 | Block copolymers and a novel method for preparing (co)polymers having a narrow molecular weight distribution by metal-free anionic polymerization in the presence of a phosphonium cation The present invention concerns a novel method for preparing polymers (preferably (meth)acrylate polymers and copolymers) having a narrow molecular weight distribution by metal-free anionic polymerization in the presence of a phosphonium cation. The presen... | 03/11/1997 |
| 5565525 | Unsaturated carbonyl and active hydrogen components with onium salt and epoxy compound A resin composition curable through a Michael reaction between (a) a component having a plurality of , ଲ-unsaturated carbonyl groups and (b) a component having a plurality of activated methylene, activated methyne or hydroxyl groups is disclo... | 10/15/1996 |
| 5530070 | Stable aqueous metallic flake dispersion using phosphated acrylic polymer dispersant A graft copolymer dispersant (binder) having a weight average molecular weight of about 5,000-100,000 wherein: (1) the graft copolymer has a polymeric backbone formed by polymerizing ethylenically unsaturated monomers; (2) the graft copolymer has macromon... | 06/25/1996 |
| 5521252 | Acrylic multilayer polymer powder Acrylic multilayer polymer powders containing coagulated powders of emulsified latexes of acrylic multilayer polymers, which are suitable for drying methods using pressure dehydration extruders, etc, comprises not more than 40 wt % of a fine powder of a p... | 05/28/1996 |
