Magnetic recording media
US4336308A · kind A · utility
11Cited by
11References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1979 |
| Grant date | Jun 22, 1982 |
| Priority date | — |
| Expiry date | Sep 11, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium and, more particularly, a magnetic recording medium based on a magnetic composition exhibiting high dispersibility of finely divided ferromagnetic powders and having excellent abrasion resistance is disclosed wherein the binder for the magnetic composition contains a 2-chloroacrylonitrile polymer and a thermoplastic polyurethane resin; in another embodiment of the invention the binder additionally contains a polyisocyanate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.