Perfluoropolyether lubricating compositions
US5663127A · kind A · utility
40Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1994 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Jul 29, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31544
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating composition containing about 0.1-10 weight percent of a perfluoropolyether lubricant containing perfluoropolyether molecules having at least one hydrogen-containing end group per molecule, and about 99.9-90 weight percent of a liquid, perfluorinated, nonaromatic cyclic organic solvent or mixture of such solvents is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.