Polymer compositions stabilized with hindered phenyl secondary phosphites
US4233208A · kind A · utility
14Cited by
11References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1978 |
| Grant date | Nov 11, 1980 |
| Priority date | — |
| Expiry date | Jul 12, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/51
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Organic polymeric materials normally subject to oxidative and ultraviolet light deterioration are stabilized by incorporating therein a compound of the formula ##STR1## wherein R is hydroxyl or chlorine, Y and Y' are independently alkyl, aralkyl or halogen, and Z is independently hydrogen, halogen, alkyl or aralkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.