Polyester-acrylic graft polymers for use in powder coatings
USRE35759E · kind E · reissue
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4References
7Claims
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Key dates
| Filing date | Sep 26, 1996 |
| Grant date | Mar 31, 1998 |
| Priority date | — |
| Expiry date | Sep 26, 2016 |
Classification
- Technology area (CPC —)General
Abstract
A thermosetting powder paint coating containing a polymeric binder comprising a polyester graft acrylic copolymer and a low molecular weight crystalline polyester. The coatings can be pigmented or non-pigmented. The polyester-graft-acrylic copolymer can be self-crosslinking by the inclusion of beta-hydroxy ester groups or crosslinked by an external crosslinker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.