Curable coating compositions containing poly activated methylene resins and polyisocyanates
US11390774B2 · kind B2 · utility
0Cited by
9References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 9, 2016 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Sep 24, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/46
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A curable coating composition includes: (a) a polymer including at least two active methylene functional groups; (b) a polyisocyanate crosslinker; and (c) a transition metal catalyst. Substrates at least partially coated with these coating compositions are further disclosed. Methods for preparing the coating are further disclosed. Multi-layer coatings including these coating compositions are further disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.