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| Number | Title | Issue Date |
| 7217834 | Preparation of thiosulphuric acid derivatives The invention relates to a novel process for preparing salts of S-alkyl esters of thiosulphuric acid by reacting organic dihalides with thiosulphates in water. ... | 05/15/2007 |
| 7163988 | Aromatic sulfonic acid ester derivative, polyarylene, polyarylene having sulfonic acid group and process for producing the same, and polymer solid electrolyte and proton-conductive membrane Disclosed is an aromatic sulfonic acid ester derivative represented by the formula (1); in the formula, X is an atom or a group selected from a halogen atom excluding fluorine, —OSO3CH3 an... | 01/16/2007 |
| 7160955 | Sulfoxides or sulfones grafted onto polymers Polymers grafted with a compound of formula I, formula (I) wherein the general symbols are as defined in claim 1, have outstanding stability against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation [R1—SOm... | 01/09/2007 |
| 7060757 | Rubber composition and pneumatic tire using the same A rubber composition comprises (1) a rubber component including at least one of polybutadiene rubber and a styrene-butadiene copolymer rubber having a content of vinyl bond of not less than 30%, (2) at least one specified compound as a vulcanization accelerator, and... | 06/13/2006 |
| 7041745 | Addition of polar polymer to improve tear strength and processing of silica filled rubber A vulcanizable rubber composition is provided that comprises an elastomer, a reinforcing filler comprising silica or a mixture thereof with carbon black, a silica dispersing aid comprising about 0.1 to about 15 phr poly(vinyl acetate) (PVA), and a cure agent. The ad... | 05/09/2006 |
| 6969737 | Adhesion promoter for cord-reinforced rubber and metal or polymer substrate/rubber composites A rubber composition including a natural or synthetic rubber, and an adhesive resin capable of unexpected adhesion to metal, polymer and glass substrates, particularly cords in radical tires, hoses, conveyor belts, transmission belts, and the like by the addition of... | 11/29/2005 |
| 6943219 | Polymer and epoxy resin compositions The present invention provides a vinyl polymer with an epoxy group terminally introduced therein and an epoxy resin composition comprising (A) an epoxy resin and (B) a vinyl polymer which has a main chain produced by living radical polymerization and has a reactive ... | 09/13/2005 |
| 6884832 | Adhesion promoter for cord-reinforced rubber and metal or polymer substrate/rubber composites A rubber composition including a natural or synthetic rubber, and an adhesive resin capable of unexpected adhesion to metal, polymer and glass substrates, particularly cords in radical tires, hoses, conveyor belts, transmission belts, and the like by the addition of... | 04/26/2005 |
| 6812277 | Tire with component comprised of a blend of polybutadiene-rich rubber composition which contains a minor portion of styrene-rich styrene/isoprene elastomer Pneumatic rubber tire having at least one component or a rubber composition comprised of a major portion of relatively low Tg high cis 1,4-polybutadiene elastomer (BR) and a minor portion of a relatively high Tg, styrene-rich, styrene/isoprene elastomer (SIR) wherei... | 11/02/2004 |
| 6806307 | Synthesis and use of chain-coupled polymeric sulfide compounds in rubber formulations The invention provides chain-coupled polymeric sulfide compounds for use as the elastomeric component in vulcanizable elastomeric compositions comprising silica, carbon black or mixtures thereof. In particular, the invention provides anionically polymerized polymers... | 10/19/2004 |
| 6664319 | Rubber compound for golf ball and golf ball A golf ball is provided that includes a molded resilient inner core made of a rubber compound and a polymeric cover surrounding the inner core. The rubber compound is a halo-butyl rubber polymer and a carbon black filler in an amount of 80% to 100% by wei... | 12/16/2003 |
| 6610753 | Process for preparing selective ion exchangers The present invention relates to a process for preparing selective ion exchangers based on crosslinked vinylaromatic polymers and containing iminoacetic acid units of the general formulas (I) and (II) ##STR1## wherein X represents hydrogen or an alkali me... | 08/26/2003 |
| 6590017 | Processability of silica-reinforced rubber containing an amide compound The invention provides an amide compound as a processing aid to improve the dispersion of silica reinforcing filler in a rubber composition, while reducing or eliminating the use of expensive bifunctional silica coupling agents. The invention further prov... | 07/08/2003 |
| 6579950 | Rubber waste disposal apparatus and method of treating rubber waste A rubber waste disposal apparatus processing rubber waste such as an old tire efficiently includes a casing, a rubber waste deformation unit provided in the casing to subject rubber waste to deformation, and an ozone-containing gas supply unit supplying o... | 06/17/2003 |
| 6420489 | Polymer bromination process in solution An improved process is provided for the bromination of isoolefin-conjugated diolefin polymers by brominating said polymer in solution in selected halogen-containing hydrocarbons as solvent. There is also provided an improved product of said process wherei... | 07/16/2002 |
| 6417285 | Method for the production of a copolymer based on vinyl aromatic compounds and conjugated dienes The present invention provides a method for the production of a copolymer based on vinyl aromatic compounds and conjugated dienes, in which after polymerization, the copolymers are treated with multi-functional sulfur halides in the presence of a catalyst... | 07/09/2002 |
| 6348545 | Water-absorbing resin and manufacturing method A water-absorbing resin having superior water absorption properties, and a method for manufacturing the water-absorbing resin having superior water absorption properties in a short time, in which used waste materials are used for effective utilization of ... | 02/19/2002 |
| 6114445 | Hydrosilylation of polypropylene The hydrosilylation of terminal double bonds in polypropylene (PP) or other polymers is effected in the melt phase. The double bonds were created by peroxide initiated degradation of PP in an extruder or a batch mixer. A hydride terminated polydimethylsil... | 09/05/2000 |
| 5916961 | Amine-initiated elastomers having hysteresis reducing interaction with silica The reduction of hysteresis in a silica-filled, vulcanized elastomeric compound is produced by mixing diene monomer and optionally monovinyl aromatic monomer with a lithium amine initiator and, optionally, a modifier; effecting polymerization conditions; ... | 06/29/1999 |
| 5866650 | Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof The reduction of hysteresis in a silica-filled, vulcanized elastomeric compound is produced by mixing diene monomer and optionally monovinyl aromatic monomer with a lithium amine initiator and, optionally, a modifier; effecting polymerization conditions; ... | 02/02/1999 |
| 5844049 | Sulfur-vulcanized rubber compositions comprising substituted succinimide compounds Rubber compositions are provided having improved physical properties. More particularly, the present invention relates to sulfur-vulcanized rubber compositions which are vulcanized in the presence of certain bis-succinimide coagents, which possess anti-re... | 12/01/1998 |
| 5814709 | Process for hydrogenation on conjugataed diene polymers and catalyst composition suitable for use therein The invention provides a catalyst composition suitable for hydrogenation of polymers containing ethylenic unsaturation, which comprise: (a) a titanium compound of the formula, ##STR1## wherein A1 and A2 are the same or different and ... | 09/29/1998 |
| 5717038 | Tire treads with increased tread life, and method of manufacturing same A tire tread made for polydiene rubber crosslinked with 1,2-bis(N,N-dibenzylthiocarbamoyldisulfido)ethane and method of producing the same.... | 02/10/1998 |
| 5698639 | Ethylene-propylene-diene rubber, elastomer composition and vulcanized rubber thereof The invention provides ethylene-propylene-diene rubbers capable of imparting excellent heat resistance, weather resistance and dynamic fatigue resistance to vulcanized rubbers made therefrom. The ethylene-propylene-diene rubbers have sulfur uniformly disp... | 12/16/1997 |
| 5652310 | Rubbers having improved interaction with silica The subject invention discloses a process for modifying a rubbery polymer to improve silica interaction which comprises the steps of: (1) metallating the rubbery polymer with lithium by reacting the rubbery polymer with an organo lithium compound in the p... | 07/29/1997 |
| 5569723 | Process for the bromination of alkyl rubbers C4 -C16 alkyl rubbers are brominated by reacting the alkyl rubbers with bromine in the presence of organic azo compounds and/or alkali metal and/or alkaline earth metal hypochlorites and in the presence of linear, branched and/or cyc... | 10/29/1996 |
| 5357002 | Polymer containing chelating groups, process for preparing it and its use in water purification Water insoluble polymers containing hydrophilic pendant moieties ending with a chelating group are disclosed. The polymers are useful in the purification of water polluted by heavy metals such as mercury and lead. The polymers have the general formula P--... | 10/18/1994 |
| 5317057 | (Halomethyl vinyl arene)-modified elastomers and compositions containing them having reduced hysteresis properties A (halomethyl arene)-modified elastomer is made by reacting a lithium terminated elastomer intermediate with the halogen atoms of a halomethyl vinyl arene compound. A road-contacting tread component for a pneumatic tire is fabricated from vulcanized elast... | 05/31/1994 |
| 5317062 | Styrene-isoprene-butadiene rubber The subject invention discloses a styrene-isoprene-butadiene rubber which is particularly valuable for use in making truck tire treads, said rubber being comprised of repeat units which are derived from about 5 weight percent to about 20 weight percent st... | 05/31/1994 |
| 5302635 | Method and arrangement for the single-stage continuous production of a rubber base compound and a rubber end compound The invention is directed to a method and an arrangement continuously producing a rubber base compound and a rubber end compound in a single stage for vehicle tires, drive belts, conveyor belts as well as for industrial rubber products. The rubber base co... | 04/12/1994 |
| 5239010 | Sulfonated block copolymers A thermoplastic polymer which possesses excellent mechanical properties at both room and elevated temperatures is obtained by reacting an acyl sulfate with a block copolymer composed of at least one conjugated diene block and one alkenyl arene block. The ... | 08/24/1993 |
| 5034468 | N-halothiosulfonamide modified rubber products N-halothiosulfonamide-modified rubber products are provided. The modified rubber products are prepared by reaction of a rubber, such as a butyl rubber or a halogenated butyl rubber, with a N-halothiosulfonamide in the absence or in the presence of a catal... | 07/23/1991 |
| 5010142 | Rubber compositions for tire inner liners Rubber compositions are disclosed for use as inner liners in automobile tires. Sulfur-vulcanizable, halogenated butyl rubbers are combined with 2-(4'-morpholinodithio)benzothiazole, whereby the resulting composition is rendered highly tacky and satisfacto... | 04/23/1991 |
| 4833205 | Polymeric materials having controlled physical properties Ground polymeric elastomer or other polymeric plastic, particularly from recovered scrap, is surface modified by treatment with a gaseous mixture containing a minor amount of fluorine and a larger amount of at leasts one reactive gas in an inert gaseous c... | 05/23/1989 |
| 4771110 | Polymeric materials having controlled physical properties and processes for obtaining these Ground polymer elastomer or other polymeric plastic, particularly from recovered scrap, is surface modified by treatment with a gaseous mixture containing a minor amount of fluorine and a larger amount of at least one reactive gas in an inert gaseous carr... | 09/13/1988 |
| 4764565 | Rubber with nickel dithiocarbates Adhesiveness of a halogenated butyl rubber is improved by blending with it from 5 to 20 weight parts of nickel dithiocarbamate, such as nickel butyl- or diethyldithiocarbamate, per 100 weight parts of the rubber.... | 08/16/1988 |
| 4753991 | Polymers containing amino groups, and their preparation Homopolymers, copolymers and/or block copolymers which are obtained from vinylaromatics and/or dienes, are modified with functional amino groups and contain functional groups of the formula (I) or (II) ##STR1## where N is nitrogen, R1 and ... | 06/28/1988 |
| 4748212 | Adhesive composition There is provided an adhesive composition to increase the bond strength of coating material and adhesive to be applied to vulcanized polyolefin rubber or polyolefin resin. It comprises a hydrocarbon polymer, a halogenating agent to be incorporated in said... | 05/31/1988 |
| 4650828 | Molding composition containing functionalized thermoplastic rubber and method A thermoplastic molding composition which comprises a blend of: (A) a copolymer having recurring units of a monoalkenyl aromatic monomer and recurring units of an ,ଲ-ethylenically unsaturated dicarboxylic anhydride N-substituted imide, and (B) a h... | 03/17/1987 |
| 4619974 | Perfluoroalkyl substituted polymers Perfluoroalkyl alkylene substituted polydienes are described which are obtained by addition of perfluoroalkyl-alkylene thiols to polydienes and which are useful as hard, oil- and water repellent coatings on metal, paper, wood, glass ceramics, textiles or ... | 10/28/1986 |
