Process for preparing bitumen-polymer compositions
US4145322A · kind A · utility
87Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1977 |
| Grant date | Mar 20, 1979 |
| Priority date | — |
| Expiry date | Dec 28, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31815
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is related to a novel process for preparing bitumen-polymer compositions. These compositions contain block copolymers comprising diene and styrene groups. The compositions present excellent mechanical properties even at low temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.