Asphalt release agent
US6486249B1 · kind B1 · utility
17Cited by
15References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Jul 8, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L29/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates generally to the field of release agents commonly in uses in preventing asphalt and other sticky compounds such as rubbers from sticking to the transporting vehicles such as dump truck beds and processing tools, and equipment, and more particularly to a novel biodegradable release agent applied to metal surfaces prior to use for promoting free release of sticky hot-mix asphalt materials from the metal tools and equipment used in road construction applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.