Process for producing an ultraviolet radiation stabilized polymeric article
US4322455A · kind A · utility
21Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1980 |
| Grant date | Mar 30, 1982 |
| Priority date | — |
| Expiry date | Sep 15, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2369/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for producing an ultraviolet radiation stabilized polymeric, particularly polycarbonate, article comprising impregnation of the surface of said article with an ultraviolet radiation absorber by heating said polymeric article and applying onto the surface of said heated article an ultraviolet radiation stabilizing composition containing an ultraviolet radiation absorbing compound and a nonaggressive carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.