Antioxidant aromatic fluorophosphites
US5128066A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 14, 1990 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | May 14, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5393
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Fluoroalkylphosphorous compounds are disclosed having the formula ##STR1## wherein R.sub.1 and R.sub.2 are wherein the same or different and are substituted or unsubstituted aryl groups, the substituents are selected from alkyl, aryl, the group consisting of aralkyl, cycloalkyl, hydroxy, alkoxy, aryloxy and halo; X is a single bond connecting R.sub.1 and R.sub.2, or X is selected from the group consisting of C.sub.1 to C.sub.12 linear or branched alkylene, --O-- or --S.sub.g -- where g is an integer from 1 to 3; and n is an integer from 1 to 8. These compounds, when used in organic compositions susceptible to oxidative degradation act to effectively retard such degradation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.