Magnetic recording medium
US4696869A · kind A · utility
9Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1986 |
| Grant date | Sep 29, 1987 |
| Priority date | — |
| Expiry date | Feb 27, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium improved in durability at an elevated temperature 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 an ester of a polyvalent alcohol with a fatty acid in an amount of 0.01 to 40 parts by weight to one part by weight of the magnetic powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.