Pentaerythritol diphosphite stabilizers and process
US4692539A · kind A · utility
13Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 24, 1986 |
| Grant date | Sep 8, 1987 |
| Priority date | — |
| Expiry date | Oct 24, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K15/322
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Pentaerythritol diphosphites corresponding to the formula ##STR1## being useful for stabilizing organic materials against thermal, oxidative and actinic degradation and a process for the preparation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.