Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1989-09-18
1992-03-10
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
4284259, 428694, 428900, G11B 2300
Patent
active
050949101
ABSTRACT:
A magnetic recording medium which comprises a substrate and a magnetic layer formed thereon comprising a magnetic metal powder, an abrasive and, as the binder resin, a polyurethane resin having cyclohexyl rings in its molecular chain and a vinyl chloride base resin containing hydroxyl groups, which has improved durability.
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patent: 4988574 (1991-01-01), Murphy et al.
Kaneno Kimihiko
Yamamoto Yoshinori
Hitachi Maxell Ltd.
Thibodeau Paul J.
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