Ortho-alkylated phenyl phosphonites
US4406842A · kind A · utility
12Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1981 |
| Grant date | Sep 27, 1983 |
| Priority date | — |
| Expiry date | Aug 31, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/4875
- 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.