Magnetic recording medium
US4361621A · kind A · utility
9Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1981 |
| Grant date | Nov 30, 1982 |
| Priority date | — |
| Expiry date | Jun 4, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31971
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprises a substrate coated with a magnetic layer formed by using a magnetic composition comprising a binder and a magnetic powder adsorbing ricinoleic acid or an ester thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.