Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1981-01-12
1983-01-04
Pianalto, Bernard D.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428336, 4284259, 428532, 428694, 428702, 428900, H01F 1000, B32B 516
Patent
active
043672612
ABSTRACT:
A magnetic recording medium having a magnetic layer and a backing layer on opposite sides of a support is disclosed. The backing layer comprises an inorganic filler dispersed in a binder wherein the binder comprises one or more cellulosic resins, one or more thermoplastic polyurethane elastomers and one or more polyisocyanates.
REFERENCES:
patent: 4189514 (1980-02-01), Johnson
patent: 4234438 (1980-11-01), Horigome et al.
Fujiyama Masaaki
Miyoshi Takahito
Okutu Toshimitu
Yamada Yasuyuki
Fuji Photo Film Co. , Ltd.
Pianalto Bernard D.
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