Polyol-modified polyanhydride curing agent for polyepoxide powder coatings
US5055524A · kind A · utility
24Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1987 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Jul 16, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/934
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is disclosed herein an improved thermosetting powder coating composition comprising an epoxy resin and a curing agent, the improvement comprising the curing agent which is a polyol-modified polymeric polyanhydride containing anhydride linkages in the polymeric backbone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.