Synthetic amorphous silica for elastomeric reinforcement and methods therefor
US4251281A · kind A · utility
34Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1979 |
| Grant date | Feb 17, 1981 |
| Priority date | — |
| Expiry date | May 1, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A synthetic amorphous silica having a CTAB surface area of from about 80 to about 125 m.sup.2 /g and a structure index of at least 0.80 is disclosed as adapted for the reinforcement of elastomeric materials, as well as methods for the preparation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.