Ortho-alkylated phenyl phosphonites and stabilized organic compositions
US4474914A · kind A · utility
17Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 1983 |
| Grant date | Oct 2, 1984 |
| Priority date | — |
| Expiry date | May 31, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5393
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Ortho-alkylated phenyl phosphonites of the formula ##STR1## wherein R.sup.1 is alkyl, phenyl or phenyl substituted by alkyl, R.sup.2 is tertiary alkyl or phenylalkyl, and R.sup.3 is hydrogen, alkyl or phenylalkyl are useful as stabilizers for organic polymers and lubricating oils, particularly as processing stabilizers for polyolefins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.