Cyclic phosphonite stabilizers
US4185006A · kind A · utility
13Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1978 |
| Grant date | Jan 22, 1980 |
| Priority date | — |
| Expiry date | Jul 6, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5393
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New phosphonites of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of one another are a substituted or unsubstituted hydrocarbon radical, or halogen, PA1 x and y independently of one another are 0, 1, 2 or 3, PA1 n is 2, 3, 4, 5 or 6, and PA1 R.sub.3 is a n-valent substituted or unsubstituted aliphatic, alicyclic, aromatic, araliphatic or heterocyclic hydrocarbon residue as stabilizers for organic materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.