Magnetic recording medium
US4409291A · kind A · utility
5Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1981 |
| Grant date | Oct 11, 1983 |
| Priority date | — |
| Expiry date | Mar 26, 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 is described comprising a non-magnetic support having formed thereon a magnetic layer comprising a binder and fine ferromagnetic particles dispersed therein, said binder containing a polyester polyurethane prepared by reacting poly(1,6-hexane adipate) with 4,4'-diphenylmethane diisocyanate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.