Phenol and substituted phenols as viscosity modifiers and stabilizer synergists for liquid lubricating stabilizer compositions
US5078892A · kind A · utility
2Cited by
20References
29Claims
0Family size
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Key dates
| Filing date | Mar 11, 1991 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Mar 11, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/13
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Phenol and alkyl substituted phenols of the formula: ##STR1## wherein R is hydrogen or alkyl of from 1 to about 20 carbon atoms which significantly reduce the viscosity of and metal salt precipitation from liquid lubricating stabilizer compositions and unexpectedly improve the heat stability of such liquid lubricating and stabilizing compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.