Technical pentaerythritol esters as lubricant base stock
US5503761A · kind A · utility
15Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1994 |
| Grant date | Apr 2, 1996 |
| Priority date | — |
| Expiry date | Aug 2, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/135
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A synthetic ester base stock having reduced deposit formation which comprises the reaction product of technical pentaerythritol and a mixture of carboxylic acids. The mixture of carboxylic acids comprises (1) at least one C.sub.8 -C.sub.10 carboxylic acid having 6 or less reactive hydrogens, (2) at least one C.sub.5 -C.sub.7 carboxylic acid having 6 or less reactive hydrogens and (3) at least one C.sub.6 -C.sub.10 carboxylic acid having 6 or more reactive hydrogens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.