Substrate coated with composition of non-cyclic polyanhydride and co-reactant resin
US5698332A · kind A · utility
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33References
9Claims
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Key dates
| Filing date | Jan 29, 1997 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Jan 29, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31692
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A coating composition applied to a substrate, the composition containing a solids content of at least about 65 percent by weight and including a polyanhydride having more than one non-cyclic moiety, a co-reactant resin such as a glycidyl (meth)acrylate-containing polymer, and a latent catalyst, wherein the equivalent ratio of epoxy to anhydride groups is from about 0.8:1 to 1.3:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.