Bitumen vulcanizing composition
US6872763B2 · kind B2 · utility
9Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2001 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Oct 24, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L53/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a vulcanizing agent for vulcanizing bitumen, which vulcanizing agent comprises a sulphur agent and a binder, wherein the vulcanizing agent is in the form of pellets. Further provided is a process for producing a surfacing composition, which process comprises contacting bitumen with an elastomer and the vulcanizing agent of the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.