About 421 results
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https://drivepatents.com/patents/974237 · 4 Jun 2014
The present invention relates to a coupling agent for rubber/carbon black, containing a sulfide compound represented by the following chemical formula (I): [Chem. 1] (in the formula, each A represents O, S, NH or NR; each R represents a linear or branched ...
https://drivepatents.com/patents/974256 · 4 Jun 2014
A nitrile group-containing highly saturated copolymer rubber composition containing a nitrile group-containing highly saturated copolymer rubber (A) having a Mooney viscosity [ML 1+4 , 100°C] of 50 to 200, a nitrile group-containing highly saturated copol...
https://drivepatents.com/patents/974103 · 4 Jun 2014
The present invention provides a rubber composition that enables to improve the fuel economy, wet-grip performance, abrasion resistance, and processability in a balanced manner, and a pneumatic tire including the rubber composition. The present invention r...
https://drivepatents.com/patents/974050 · 4 Jun 2014
The present invention provides a pneumatic tire having an excellent finished bonding surface between the tread and its adjacent wing or sidewall while maintaining required performance of a tire such as abrasion resistance and resistance to degradation over...
https://drivepatents.com/patents/974322 · 28 May 2014
A polymer blend comprising a copolymer and an additional polymer is disclosed. The copolymer comprises a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer, an...
https://drivepatents.com/patents/974703 · 21 May 2014
A rubber composition containing a rubber component having an olefinic double bond, and an isobutylene polymer having a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2), wherein the cont...
https://drivepatents.com/patents/974944 · 14 May 2014
The present invention provides a rubber composition capable of improving the rubber strength and fuel economy in a balanced manner, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition including a r...
https://drivepatents.com/patents/974940 · 14 May 2014
The present invention provides a rubber composition that improves in terms of the fuel economy of a rubber composition containing an isoprene-based rubber and also offers favorable durability and favorable processability or adhesion to steel cords, and a p...
https://drivepatents.com/patents/974924 · 14 May 2014
The present invention provides a rubber composition for a tread which improves in terms of the fuel efficiency of a rubber composition containing an isoprene-based rubber and also offers favorable abrasion resistance and elongation at break, and a pneumati...
https://drivepatents.com/patents/974903 · 14 May 2014
A rubber composition comprising a diene based elastomer and an adhesion promoter derived from a flavone, a methylene donor and a methylene acceptor is disclosed. The rubber composition is essentially free of cobalt. Also, a pneumatic tire comprising such a...