Lubricant
US5498359A · kind A · utility
8Cited by
14References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1994 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Oct 24, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant compound which comprises carbon, hydrogen, fluorine and etheric oxygen atoms and which contains perfluoropolyether chain of the formula (A), a perfluoroalkyl chain of the formula (B) and a polyether chain of the formula (C) in combinations of (A) and (C), (B) and (C), or (A) and (C) and of (B) and (C), in a molecule wherein: PA1 A is --(C.sub.n F.sub.2n O).sub.m --, wherein n is an integer of 1 to 10 and m is an integer of at least 1; PA1 B is --C.sub.n F.sub.2n --, wherein n is an integer of 1 to 15, and PA1 C is --(C.sub.n H.sub.2n O).sub.m --, wherein n is an integer of 1 to 6 and m is an integer of at least 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.