Substituted phenols as stabilizers
US5008459A · kind A · utility
6Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1987 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Dec 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Novel compositions are described which comprise an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R.sub.1, R.sub.2, R.sub.3, Z.sub.1 and Z.sub.2 are as defined in claim 1. The compounds of the formula II and some of the compounds of the formula I are novel, and they are used especially as antioxidants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.