Manufacturing procedures for making high polytetrafluoroethylene content dispersions in oil for lubricant use and the compositions so produced
US5744539A · kind A · utility
8Cited by
1References
28Claims
0Family size
Inventors
Key dates
| Filing date | Jan 13, 1997 |
| Grant date | Apr 28, 1998 |
| Priority date | — |
| Expiry date | Jan 13, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A polytetrafluoroethylene dispersion consisting essentially of a stable dispersion of finely divided polytetrafluoroethylene particles and a polymeric dispersing agent in a lubricating oil, the dispersions being substantially free of polytetrafluoroethylene sedimentation, together with lubricating oils containing such dispersions and processes for producing the dispersions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.