Method of improving carbon black dispersion in rubber compositions
US7964656B2 · kind B2 · utility
3Cited by
39References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2007 |
| Grant date | Jun 21, 2011 |
| Priority date | — |
| Expiry date | Mar 17, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S152/905
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for forming a vulcanizable composition of matter, the method comprising providing a polymer cement or latex comprising at least one rubber, adding at least one processing aid to the cement or latex to form a modified rubber cement or latex, isolating the rubber and at least one processing aid to form a premix, and mixing the premix with carbon black.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.