Carbon black
US5772975A · kind A · utility
7Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1997 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Feb 26, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/19
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A carbon black having a D1/2/Dmod ratio of at most 0.53.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.