Asphalt-base coating composition with novel hindered acid/amine salt surfactant
US5730791A · kind A · utility
8Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1997 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Feb 26, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L95/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved asphalt roof-coating composition which includes asphalt, clay, and a novel hindered acid/amine salt surfactant. The surfactant comprises an acid constituent which has at least two alkyl groups bonded to the alpha carbon and an amine constituent comprising a variety of primary, secondary and tertiary amines. The composition has excellent physical properties including good viscosity and gel stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.