Pneumatic tires
US4914147A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 9, 1988 |
| Grant date | Apr 3, 1990 |
| Priority date | — |
| Expiry date | Sep 9, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A heavy duty pneumatic tire for use in construction vehicles, truck and bus is disclosed, which comprises a tread rubber having improved cut resistance, resistance to rib tear, wear resistance, resistance to heat build-up, processability and the like. The tread rubber comprises 20-100 parts by weight of a particular modified styrene-butadiene copolymer and 80-0 parts by weight of other diene series rubber as a rubber component and contains 40-80 parts by weight of a particular carbon black based on 100 parts by weight of the rubber component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.