Lubricant composition comprising an allophanate extreme-pressure, anti-wear additive
US5084195A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1989 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | Dec 21, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A composition comprising PA0 a) a lubricant or a hydraulic fluid and PA0 b) at least one compound of the general formula I ##STR1## in which x=1 or 2 and, if x=1, R is as defined for R.sup.1 or R.sup.3 -O- or, if x=2, R is as defined for R.sup.8, and PA1 R.sup.1 and R.sup.3 are, for example, alkyl, cycloalkyl, alkenyl, phenyl, naphthyl, aralkyl or alkaryl, or alkyl, cycloalkyl, alkenyl, phenyl, naphthyl, aralkyl or alkaryl, which are monosubstituted or polysubstituted by groups from the series comprising halogen, cyano, nitro, e.g. --OCH.sub.3 or e.g. --COOCH.sub.3, or alkyl, cycloalkyl, alkenyl, aralkyl or alkaryl which are interrupted by one or more groups from the series comprising --O--, --S--, --NH--, ##STR2## or alkyl, cycloalkyl, alkenyl, aralkyl or alkaryl which are monosubstituted or polysubstituted by groups from the series comprising halogen, cyano, nitro, e.g. --OCH.sub.3 or e.g. --COOCH.sub.3 and interrupted by one or more groups from the series comprising --O--, --S--, --NH--, ##STR3## R.sup.2 is NR.sup.4 R.sup.5, --OR.sup.6 or --SR.sup.7, and R.sup.4 and R.sup.5 are identical or different and are, for example, --H, alkyl, phenyl, naphthyl, aralkyl or alkaryl, or PA1 …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.