Separating devulcanized rubber
US8415402B2 · kind B2 · utility
2Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2009 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Aug 29, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for separating a polymer from carbon black in devulcanized rubber, the method comprising steps of inserting devulcanized rubber into a bath of a solvent, dissolving a polymer out of the devulcanized rubber and into a solution of the solvent and the polymer, removing the solution from the bath without disturbing an un-dissolved residue comprising carbon black, and recovering the un-dissolved residue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.