Process for protecting and lubricating surfaces subjected to friction and wear
US4842939A · kind A · utility
6Cited by
13References
20Claims
0Family size
Inventors
Key dates
| Filing date | Oct 30, 1986 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Oct 30, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31609
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Process for the protection and lubrication of surfaces subjected to friction and wear in magnetic recording media, by application of a coating of a polyurethane containing polyoxyfluoroalkylene blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.