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https://drivepatents.com/patents/1387872 · 18 Mar 2026
A coupling agent, a rubber composition, and a shaped article formed from the rubber composition, such as a pneumatic tire, are described. The coupling agent is represented by Formula I, and is capable of linking a substrate, such as a mineral oxide, carbon...
https://drivepatents.com/patents/1386330 · 11 Feb 2026
The present invention relates to a sulfur-crosslinkable rubber composition, comprising 40 to 80 phr of at least one polyisoprene, 10 to 40 phr of at least one butadiene rubber which is amino-functionalized and has a cis content of less than 80%, and 10 to ...
https://drivepatents.com/patents/1397815 · 7 Jan 2026
Provided are a liquid hydrocarbon production method for obtaining a liquid hydrocarbon-containing rubber composition, including heating a crosslinked rubber at 300°C or lower in a reaction solvent that contains an aldehyde having a hydrocarbon group with ...
https://drivepatents.com/patents/1388657 · 31 Dec 2025
Provided is a tire comprising at least one reinforcement layer in a tread portion, wherein the reinforcement layer includes a reinforcement element 2 consisting of a plurality of metal filaments 1 that are aligned in a single row without being twisted toge...
https://drivepatents.com/patents/1398650 · 24 Dec 2025
Provided is a pneumatic tire that ensures sufficient steering stability even when a vehicle runs on a wet road surface at a high speed. The pneumatic tire has a tread portion formed of a rubber composition containing: a rubber component of styrene-butadien...
https://drivepatents.com/patents/1387809 · 26 Nov 2025
A rubber composition for tires, comprising a rubber component, carbon black, and vegetable oil, wherein the carbon black has a nitrogen adsorption specific surface area of 120 to 250 (m/g).
https://drivepatents.com/patents/1399932 · 8 Oct 2025
Provided is a pneumatic tire having a sufficiently suppressed change in handling property and sufficiently improved durability. This pneumatic tire comprises a tread portion including a rubber layer, the rubber layer is formed of a rubber composition havin...
https://drivepatents.com/patents/1392490 · 1 Oct 2025
A silica material comprising silica particles, an organosilane coupling agent bonded to the silica particles, and polyethylene glycol contacting the silica particles and its method of manufacturing is disclosed. The silica material may be used in a rubber ...
https://drivepatents.com/patents/1392240 · 13 Aug 2025
It is an object of the present invention to provide a tire with improved ride comfort during high-speed running. Provided is a tire comprising a tread part, wherein the tread part comprises a first layer constituting a tread surface, and a second layer adj...
https://drivepatents.com/patents/1395448 · 30 Jul 2025
A rubber composition is disclosed comprising from 50 phr to 100 phr of a styrene butadiene rubber; from 0 phr to 50 phr of at least one further diene based rubber; from 95 phr to 200 phr of a filler comprising from 50 phr to 100 phr of silica, from 40 phr ...