Coating composition
US4501829A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 1983 |
| Grant date | Feb 26, 1985 |
| Priority date | — |
| Expiry date | Sep 6, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D167/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coating composition comprising (A) a polyester resin modified with a lactone having 6 to 8 ring carbon atoms (I) or a mixture of said lactone-modified polyester resin (I) and a non-modified polyester resin (II), the lactone content being from 5 to 40% by weight of the total polyester resin (in solid) (I) or (I+II), the number average molecular weight being 800.about.200 mg KOH/g and wherein the resinous acid value is 2.about.20 mg KOH/g, (B) a crosslinking agent, (C) a pigment and (D) optionally other resins. The composition is useful as an intercoat paint for automobile bodies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.