Phosphite as a light stabilizer and functional additive for polyvinyl chloride
US5084499A · kind A · utility
6Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 1990 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | May 9, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/32
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is a method employing calcium phosphite as a light stabilizer and plate-out preventative for polyvinyl chloride. A composition of calcium phosphite and polyvinyl chloride is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.