Magnetic recording media
US5079086A · kind A · utility
1Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1990 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Oct 11, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The magnetic recording layer of a recording medium contains a film-forming resin, magnetic particles, poly(ethyleneimine), and an amionic surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.