Particulate oil-black masterbatch
US4026933A · kind A · utility
7Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1976 |
| Grant date | May 31, 1977 |
| Priority date | — |
| Expiry date | Feb 9, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2421/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Synthetic rubber-black-plasticizer masterbatches are prepared in a particulate form, in contrast with their normal massed form, by a process which involves halogenating the rubber-black masterbatch after coagulation, but before addition of the plasticizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.