Silica/elastomer composite, rubber composition and pneumatic tire
US8048941B2 · kind B2 · utility
1Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2009 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Apr 23, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is directed to a particulate composite of silica and elastomer comprising a porous silica shell at least partially surrounding a core of diene based elastomer, with at least part of the elastomer extending through at least some of the pores of the porous silica shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.