UV-stabilized melamine-polyol coated thermoplastic substrate
US4913974A · kind A · utility
13Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1987 |
| Grant date | Apr 3, 1990 |
| Priority date | — |
| Expiry date | Dec 31, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31942
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Coated article has a thermoplastic substrate and a surface coating of a transparent ultraviolet light-resistant polymer which is the reaction product of a melamine compound, a polyol, and a multimeric benzotriazole compound. The coating of the coated article retains its UV absorbance during curing and exposure to elevated temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.