| Patent Number |
Title Of Patent |
Date Issued |
| 6458901 |
Propylenic copolymer and thermoplastic resin composition |
October 1, 2002 |
| A propylene copolymer comprising propylene, at least one olefin selected from the group consisting of olefins having 2 to 20 carbon atoms except propylene, and a cyclic olefin, wherein the total number of carbon atoms of the monomers except the cyclic olefin is at least 7. This copolymer |
| 5703151 |
Rubber composition |
December 30, 1997 |
| Provided is a rubber composition obtainable by kneading a mixture at a maximum temperature between about 120.degree. to about 170.degree. C. The mixture includes:100 parts by weight of a solution polymerized diene rubber;about 5 to about 100 parts by weight of silica;about 1 to about 15 part |
| 5548012 |
Automotive weather strip |
August 20, 1996 |
| An automotive weather strip comprising a base material, a urethane layer and an adhesive composition formed between the base material and the urethane layer, wherein said base material comprises an ethylene/propylene rubber and said adhesive composition comprises components (A) to (E), t |
| 5523353 |
Rubber composition |
June 4, 1996 |
| A rubber composition is provided which comprises 100 parts by weight of ethylene-(meth)-acrylate copolymer rubbers and/or ethylene-(meth)-acrylate-unsaturated glycidyl ester copolymers, 5 to 300 parts by weight of a hydroxide of a typical metallic element belonging to Group II or III |
| 5516862 |
Process for producing ethylene-alpha-olefin copolymer rubber |
May 14, 1996 |
| A process for producing ethylene-.alpha.-olefin copolymer rubbers which comprises mixing a vanadium compound-containing solution and an alcohol-containing solution with stirring for 10-600 seconds to obtain a mixed solution, immediately feeding the mixed solution into a polymerizatio |
| 5459199 |
Process for producing graft polymer |
October 17, 1995 |
| A graft polymer wherein an iodine-containing fluororubber has been grafted on an ethylene-.alpha.-olefin copolymer or other polymer can be obtained by mixing 30 parts by weight of an iodine-containing fluororubber (a vinylidene fluoride-hexafluoropropylene copolymer containing iodine) an |
| 5438101 |
Rubber composition |
August 1, 1995 |
| A rubber composition is provided which comprises 100 parts by weight of ethylene-(meth)acrylate copolymer rubbers and/or ethylene-(meth)acrylate-unsaturated glycidyl ester copolymers, 5 to 300 parts by weight of a hydroxide of a typical metallic element belonging to Group II or III o |
| 5430086 |
Rubber composition for tire treads |
July 4, 1995 |
| A rubber composition for tire treads comprising a rubber component consisting essentially of (A) 20 to 100% by weight of a solution-polymerized styrene-butadiene copolymer rubber having a Mooney viscosity ML.sub.1+4 of 30 to 200 at 100.degree. C. prepared by copolymerization of styre |
| 5290878 |
Butadiene copolymer and process for preparing same |
March 1, 1994 |
| An elastomeric butadiene copolymer prepared by a process which comprises copolymerizing butadiene, a polyvinyl aromatic compound and optionally styrene in a hydrocarbon solvent in the presence of an organolithium polymerization initiator and subjecting the resulting copolymer having |
| 5274042 |
Process for producing graft polymer |
December 28, 1993 |
| A graft polymer wherein an iodine-containing fluororubber has been grafted on an ethylene-.alpha.-olefin copolymer can be obtained by mixing 30 parts by weight of an iodine-containing fluororubber (a vinylidene fluoride-hexafluoropropylene copolymer containing iodine) and 70 parts by |
| 5250627 |
Rubber composition |
October 5, 1993 |
| The present invention provides a rubber composition which comprises the following components (A) and (B):(A) an ethylene copolymer rubber comprising ethylene and at least one compound selected from the group consisting of acrylic esters and methacrylic esters as constituting units, and(B |
| 5219938 |
Modified diene polymer rubbers |
June 15, 1993 |
| A process for preparing modified diene polymer rubbers having an increased impact resilience, a reduced hardness at low temperatures and an improved processability, and useful as rubber materials for automobile tires and other industries which comprises producing a conjugated diene polym |
| 5189108 |
Modified polymer rubber and process for preparing the same |
February 23, 1993 |
| A modified polymer rubber is obtained by(1) graft-polymerizing at least one grafting monomer to a shreaded rubbery polymer (A) in an aqueous suspension at a temperature of 30.degree.-130.degree. C. to obtain a graft polymer, and(2) kneading the graft polymer with at least one polymerizable m |
| 5128416 |
Modified diene polymer rubbers |
July 7, 1992 |
| A process for preparing modified diene polymer rubbers having an increased impact resilience, a reduced hardness at low temperatures and an improved processability, and useful as rubber materials for automobile tires and other industries which comprises producing a conjugated diene polym |
| 4537936 |
Diene rubber composition, method of preparing the same and tire employing said composition |
August 27, 1985 |
| A diene rubber composition comprising 25 to 90 parts by weight of at least one high molecular weight diene rubber (A) having an intrinsic viscosity [.eta.] of at least 2.0 and a glass transition point of not lower than -50.degree. C. and 75 to 10 parts by weight of at least one low molec |
| 4523618 |
Branched polymer, process for the preparation thereof, tire tread rubber composition and tire |
June 18, 1985 |
| A branched polymer which is a butadiene homopolymer or a copolymer of an aromatic vinyl compound and butadiene and has a glass transition temperature of not less than -50.degree. C. and of which at least 70% by weight of the polymer chains has a branched structure in which high molec |
| 4471093 |
Elastomer composition comprising a blend of SBR rubbers |
September 11, 1984 |
| A rubber composition having improved rolling resistance and wet grip characteristics with improved processability, abrasion resistance and durability which contains as a rubber component a mixture of a high molecular weight styrene-butadiene rubber having a specific microstructure an |
| 4436873 |
Conjugated diene block polymer and process for preparing the same |
March 13, 1984 |
| A conjugated diene block polymer composed of blocks having a different microstructure from each other such that one block contains 20 to 60% by mole of 1,2- and/or 3,4-bonding, the other block contains 50 to 90% by mole of 1,2- and/or 3,4-bonding, the difference in the 1,2- and/or 3, |
| 4385151 |
Composition containing isoprene polymer |
May 24, 1983 |
| A rubber composition containing an isoprene homopolymer or copolymer having a glass transition temperature of not less than -50.degree. C. and a Mooney viscosity of 20 to 120. The composition can provide a cured rubber having a high wet road gripping force and a small dynamic heat genera |
| 4168358 |
Method for producing olefin polymers |
September 18, 1979 |
| In a method for producing olefin polymers which comprises polymerizing ethylene monomer alone, or two components comprising ethylene and .alpha.-olefins of the formula, CH.sub.2 .dbd.CHR (in which R is a straight or branched alkyl group having 1 to 6 carbon atoms), or three component |
