Clearcoat binder of polyepoxide, polyacid and polyisocyanate
US6391970B1 · kind B1 · utility
1Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1998 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Dec 2, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D163/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A resinous binder useful in clear coat compositions comprises a) a polyepoxide such as a copolymer of an ethylenically unsaturated epoxide with other (meth)acrylate(s) or styrene, b) a polyacid such as a carboxyl-terminated polyester, and c) a polyisocyanate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.