Magnetic recording medium
US4367264A · kind A · utility
1Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1981 |
| Grant date | Jan 4, 1983 |
| Priority date | — |
| Expiry date | Jul 13, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31609
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium has a substrate coated with a magnetic powder and a binder. The binder in said magnetic layer essentially consists of 15 to 45 wt. % of a polyester resin, 20 to 50 wt. % of an epoxy resin and 10 to 40 wt. % of nitrocellulose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.