Magnetic recording medium of ferromagnetic particles and binder
US4431712A · kind A · utility
19Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1982 |
| Grant date | Feb 14, 1984 |
| Priority date | — |
| Expiry date | Feb 10, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium having a non-magnetic base overlaid with a magnetic layer containing ferromagnetic particles and a binder is disclosed. The ferromagnetic particles are metal particles and the binder is composed of (a) carboxyl-containing vinyl chloride/vinyl acetate copolymer, (b) a polyurethane resin and (c) a polyisocyanate compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.