Process for preparing magnetic coating composition
US5271857A · kind A · utility
4Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1992 |
| Grant date | Dec 21, 1993 |
| Priority date | — |
| Expiry date | Jan 31, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/70626
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a process for preparing a magnetic coating composition with use of magnetic particles containing carbon or magnetic particles consisting primarily of an iron carbide, the process being characterized in that the process includes the step of pre-kneading the magnetic particles with an organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.