Chemically treated fillers and polymeric compositions containing same
US6649684B1 · kind B1 · utility
54Cited by
23References
23Claims
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Key dates
| Filing date | Aug 11, 2000 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Aug 7, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/64
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Described are fillers, e.g., inorganic oxides, that have been chemically treated to have a carbon content of greater than 1 weight percent, a mercapto content of at least 0.15 weight percent, a Silane Conversion Index of at least 0.3 and a Standard Reinforcement Index of 4 or more. Polymeric compositions that contain such treated fillers are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.