Sulfur-based adducts and compositions
US4387167A · kind A · utility
7Cited by
18References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1981 |
| Grant date | Jun 7, 1983 |
| Priority date | — |
| Expiry date | Aug 25, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L95/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A novel sulfur-based adduct formed by reacting sulfur with a diene-containing by-product hydrocarbon mixture available from petrochemical operations and/or from coal processing. The adduct is a reaction product of sulfur and each of the dienes contained in the by-product mixture. Also disclosed is a road surface composition containing this adduct as an asphalt extender or as a replacement for asphalt, and there are also disclosed other compositions containing this adduct such as sulfur cements, sulfur concretes, coatings, foams, structural materials and insulators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.