Stabilizers for polyvinyl chloride
US3943081A · kind A · utility
10Cited by
3References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1974 |
| Grant date | Mar 9, 1976 |
| Priority date | — |
| Expiry date | Jul 2, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/52
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention comprises use of polyvinyl resin stabilizers, or alkaline earth metal soap and/or phenolate complexes or solutions with soluble zinc chloride and hydroxy compounds (or other suitable solutions of zinc chloride) and organophosphites. These combinations have not previously been used for this purpose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.