Cyclohexyl substituted hydroxybenyzlphosphonates
US5258540A · kind A · utility
1Cited by
12References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Jul 20, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/4056
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula Ia ##STR1## in which R.sub.1 is hydrogen, R.sub.2 is methyl, tert-butyl or cyclohexyl, and R.sub.7 and R.sub.8 independently of one another are C.sub.1 -C.sub.18 alkyl, phenyl or C.sub.7 -C.sub.18 alkylphenyl are novel compounds having utility as stabilizers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.