Magnetic recording medium
US4795672A · kind A · utility
15Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1987 |
| Grant date | Jan 3, 1989 |
| Priority date | — |
| Expiry date | Mar 5, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a magnetic recording medium comprising a substrate polyester film having on both sides or one side thereof a coating layer comprising a polyurethane having anionic group or a mixture of a polyurethane having anionic group and a polyester having sulfonic group, and an electron radiation cured magnetic layer formed on said coating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.