...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7906593 | Rubber composition containing an alkoxysilane coupled in-chain functionalized elastomer and tire with component thereof This invention relates to a precipitated silica reinforced conjugated diene-based elastomer composition containing an alkoxysilane coupled, in-chain functionalized, conjugated diene-based elastomer and to a tire having at least one component thereof. Said in-chain f... | 03/15/2011 |
| 7416766 | Bottles made from metallocene polypropylene for delivery of fragrances Bottles made of metallocene polypropylene (mPP) for storage and dispensing reservoirs for fragrance compositions, in particular fragrance oils, are described. The mPP bottles can be used in warmer units for slow release dispensing of the fragrance therein. The metal... | 08/26/2008 |
| 7396883 | Coated polydivinylbenzene beads The present invention provides novel, polymeric supports, methods of making, and methods of using the supports, that have a fluorinated, amidated surface. The supports include polymeric microbeads, thin layers or membranes, plates, monoliths and the like. The suppor... | 07/08/2008 |
| 7385009 | Process for the preparation of hydroxy-vinyl-aromatic polymers or copolymers by anionic or controlled radical polymerization The instant invention relates to a process for the preparation of hydroxy-vinyl-aromatic polymers in particular 4-hydroxystyrene polymers or copolymers by anionic or controlled radical polymerization of the respective monomer, wherein the hydroxy functionality is bl... | 06/10/2008 |
| 7365131 | Thermoplastic vulcanizate composition A thermoplastic vulcanizate composition comprised of (a) thermoplastic resin selected from the group consisting of polyphenylene ether, polypropylene, polyethylene, and polystyrene, (b) at least one elastomer selected from the group consisting of butadiene-isoprene ... | 04/29/2008 |
| 7326748 | Thermoplastic composition The subject invention discloses a thermoplastic composition which is comprised of a blend of a thermoplastic resin and an elastomer, wherein said thermoplastic resin is selected from the group consisting of polyphenylene ether and polystyrene, wherein said elastomer... | 02/05/2008 |
| 7319126 | Synthetic branched polyisoprenes and process for obtaining them Branched synthetic polyisoprenes are described having a macrostructure and a microstructure very similar to those of natural rubber. According to one aspect, these polyisoprenes have an apparent stress F/S0 greater than or equal to 0.4 MPa at a relative e... | 01/15/2008 |
| 7300977 | Acrylic modified chlorinated polyolefin resin, process for producing the same, and coating composition containing the same for polyolefin material This method for preparing an acrylic-modified chlorinated polyolefin resin comprises graft-copolymerizing an acid-modified chlorinated polyolefin resin with a monomer mixture containing a (meth)acrylate ester monomer having one hydroxyl group and another vinyl monom... | 11/27/2007 |
| 7288599 | Oligomers and polymers containing sulfinate groups, and method for producing the same The invention relates to polymers obtained by S-alkylation of sulfinated polymers with alkylation agents, and AB-cross-linked polymers obtained by reacting polymers containing alkylation groups with low-molecular sulfinates, under S-alkylation, or AB-cross-linked po... | 10/30/2007 |
| 7208569 | Reaction of fluoropolymer melts Chemical reactions are carried out with molten fluoropolymer, most conveniently in an extruder, wherein the reaction zone in the extruder is isolated from the melting zone, and the molten fluoropolymer is subdivided in the reaction zone sufficiently that contact and... | 04/24/2007 |
| 7125934 | Functionalization of living rubbery polymers with nitrones This invention discloses a low cost process that can be used to functionalize living rubbery polymers with terminal nitroxide end-groups to promote interaction between the polymer end-groups and surface functionalities commonly found on carbon black and silica fille... | 10/24/2006 |
| 7034085 | Method for polymerizing ethylenically unsaturated monomers by degenerative iodine transfer The invention pertains to a method for making a block or gradient final (co)polymer comprising a step of radically polymerizing a mixture of ethylenically unsaturated monomers in the presence of a) a radical precursor and b) an iodine atom-containing intermediate po... | 04/25/2006 |
| 7015284 | Thermoplastic elastomer composition The present invention relates to a soft thermoplastic elastomer composition that is free of thermoplastic resin that can be utilized in manufacturing shoe sole inserts, seals, gaskets, wheels, and that can be overmolded on a hard substrate, such as a metal or a ther... | 03/21/2006 |
| 6995224 | Functionalized monomers for synthesis of rubbery polymers This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consis... | 02/07/2006 |
| 6992147 | Modified polymers prepared with lanthanide-based catalysts A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with at least one functionalizing agent define... | 01/31/2006 |
| 6977281 | Modified polymers prepared with lanthanide-based catalysts A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, where said pseudo-living polymer is characterized by having greater than about 85 per... | 12/20/2005 |
| 6936669 | Functionalized monomers for synthesis of rubbery polymers This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consis... | 08/30/2005 |
| 6875822 | Process for preparing tritylated polystyrene resin The present invention relates to a process for preparing tritylated polystyrene resin. More particularly, the present invention is directed to a process for preparing tritylated polystyrene resins, comprising a step for tritylating polystyrene by reacting polystyren... | 04/05/2005 |
| 6861471 | Coating composition for polyolefin resin and process for producing the same The present invention provides a coating composition for polyolefin resins, comprising a resin obtained by graft-copolymerizing at least one member selected from the group consisting of an α,β-unsaturated carboxylic acid and an acid anhydride thereof with at least... | 03/01/2005 |
| 6858679 | Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions Compositions including one or more anionic polymerization initiators and one or more additives for improving functionalizing efficiency of living polymer anions are disclosed. The present invention also provides compositions including one or more electrophiles and o... | 02/22/2005 |
| 6838545 | Reaction of fluoropolymer melts Chemical reactions are carried out with molten fluoropolymer, most conveniently in an extruder, wherein the reaction zone in the extruder is isolated from the melting zone, and the molten fluoropolymer is subdivided in the reaction zone sufficiently that contact and... | 01/04/2005 |
| 6812295 | Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same The present invention provides functionalized electrophiles, their analogous initiators, and processes for preparing these compounds. The present invention also relates to homotelechelic, heteroelechelic, and radial functional polydiene polymers, polyarylene polymer... | 11/02/2004 |
| 6790909 | Graft copolymers, their preparation and their use The invention relates to a process for preparing a reaction product (RP) which is functionalized by groups containing halogen or sulfonyl chloride by reaction of at least one free-radically polymerizable monomer, at least one compound of the formula (I), | 09/14/2004 |
| 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 |
| 6723758 | Graft polymeric membranes and ion-exchange membranes formed therefrom Graft polymeric membranes and methods for making graft polymeric membranes have one or more trifluorovinyl aromatic monomers that are radiation graft polymerized to a polymeric base film. The membranes comprise a polymeric base film to which has been graft polymeriz... | 04/20/2004 |
| 6720391 | Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same The present invention provides functionalized electrophiles, their analogous initiators, and processes for preparing these compounds. The present invention also relates to homotelechelic, heterotelechelic, and radial functional polydiene polymers, polyarylene polyme... | 04/13/2004 |
| 6579949 | Preparation of low hysteresis rubber by reacting a lithium polymer with a sulfur containing reagent A vulcanized elastomeric composition of matter comprises the reaction product of a sulfur-containing reagent with an anionic living polymer, the reagent being selected from the group consisting of R3 --Si--S--R'--X, where R can all be the same ... | 06/17/2003 |
| 6552135 | Cross-linking of modified engineering thermoplastics The present invention pertains to a process for the cross-linking of modified engineering thermoplastics, in particular, of polymeric sulfinic acids or sulfinic acid salts. In particular, the invention pertains to a process for the preparation of cross-li... | 04/22/2003 |
| 6545103 | Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions Compositions including one or more anionic polymerization initiators and one or more additives for improving functionalizing efficiency of living polymer anions are disclosed. The present invention also provides compositions including one or more electrop... | 04/08/2003 |
| 6518368 | Brominated polystyrene having improved thermal stability and color and process for the preparation thereof A brominated polystyrene product made by the process comprising pretreating a solution of a polystyrene reactant comprising from about five to about 20 percent by weight of the polystyrene reactant, in a halogenated hydrocarbon solvent with at least about... | 02/11/2003 |
| 6433101 | Fluorinated polymers and methods for their preparation The present invention relates to the post-polymerization fluorination methods of polymers produced via ring-opening metathesis polymerization. Unlike prior art methods that result in low product yields and generally involve chemically aggressive reagents,... | 08/13/2002 |
| 6426391 | Fluorination in liquid or supercritical carbon dioxide A method of fluorinating a substance comprises providing a reaction mixture comprising a liquid or supercritical carbon dioxide reaction medium, a first reactant, and a second reactant, wherein the first reactant is a fluorinating reagent, and then contac... | 07/30/2002 |
| 6410656 | Cation exchangers or chelating agents and process for the preparation thereof A cation exchanger or a chelating agent having at least structural units represented by the following formula (I), the structural units being derived from a crosslinkable monomer containing an unsaturated hydrocarbon group: ##STR1## wherein A represe... | 06/25/2002 |
| 6221923 | Cross-linking of modified engineering thermoplastics The present invention pertains to a process for the cross-linking of modified engineering thermoplastics, in particular, of polymeric sulfinic acids or sulfinic acid salts. In particular, the invention pertains to a process for the preparation of cross-li... | 04/24/2001 |
| 6211271 | Process for producing a vulcanizable rubber composition including carbon black-based and silica-based reinforcing fillers A process for producing a vulcanizable rubber composition containing silica and carbon black, comprises the step of intimately mixing at a temperature of from 130° to 180° C. at least a first cross-linkable unsaturated chain polymer with a first carbon ... | 04/03/2001 |
| 6184309 | Selected deprotection of protected functional polymers A process for removing a protecting group from a polymer. Protected functional groups of a polymer may be deprotected by treating the polymer in the presence of an acid catalyst, including organic acids, mineral acids, heterogeneous acid systems, Lewis ac... | 02/06/2001 |
| 6180754 | Process for producing cross-linked polyallylamine polymer Disclosed are reduced salt polyallylamine polymer compositions, a process for producing a cross-linked polyallylamine polymer from a reduced salt, aqueous solution of a polyallylamine polymer and a multifunctional cross-linking agent and to cross-linked p... | 01/30/2001 |
| 6153706 | Protected multi-functionalized star polymers and processes for making the same This invention provides novel protected, multi-functionalized multi-arm polymers, their optionally hydrogenated analogues and optionally deprotected analogues thereof, and processes for making these compounds. In the invention, monomers are polymerized us... | 11/28/2000 |
| 6071459 | Process of making metathesis polymerized olefin articles containing flame-retarding agents A metathesis polymerized polyolefin article is provided which includes a flame-retarding agent. The method of making the article includes polymerizing an olefin monomer via a metathesis polymerization reaction in the presence of a one-part metathesis poly... | 06/06/2000 |
| 6060517 | Process for removing bile salts from a patient and compositions therefor A method for removing bile salts from a patient by ion exchange by administering to the patient a therapeutically effective amount of one or more highly crosslinked polymers characterized by a repeat unit having the formula ##STR1## or copolymer... | 05/09/2000 |