Magnetic recording medium
US4522885A · kind A · utility
22Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1984 |
| Grant date | Jun 11, 1985 |
| Priority date | — |
| Expiry date | Feb 10, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium which comprises a substrate and a magnetic layer comprising magnetic powder and a resinous binder formed on the substrate, characterized in that the magnetic layer further comprises a lubricant and an unsaturated fatty acid ester, which is improved in durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.