Blocked mercaptosilane coupling agents, process for making and uses in rubber
US8383850B2 · kind B2 · utility
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114References
22Claims
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Key dates
| Filing date | Jun 22, 2010 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Jan 21, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/86
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to sulfur silane coupling agents containing multiple blocked mercapto groups which are in a state of reduced activity until activated. The coupling agents are advantageously used in rubber formulations, for example, for fabricating tires with low rolling resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.