UV stabilizers for organic polymers
US5051458A · kind A · utility
25Cited by
2References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1989 |
| Grant date | Sep 24, 1991 |
| Priority date | — |
| Expiry date | May 17, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L101/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polymeric stabilizer compounds with a polyorganosiloxane structure suitable for stabilizing organic polymers against UV radiation and heat, containing sterically hindered piperidino groups in their molecule and easily prepared in well defined, predetermined structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.