Viscosity modification of bituminous materials
US4151003A · kind A · utility
35Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1976 |
| Grant date | Apr 24, 1979 |
| Priority date | — |
| Expiry date | Mar 1, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods of modifying the viscosity of bituminous materials in which a fluoro or chlorofluoro derivative of a lower alkane is mixed therewith, and processes involving and employing products so modified.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.