Magnetic recording material

Details Magnetic recording material Magnetic recording material

1976-04-22

1977-09-20

Pianalto, Bernard D.

Stock material or miscellaneous articles

Composite

Of polyamidoester

428499, 428900, 428423, H01F 1002

Patent

active

040498719

ABSTRACT:
A magnetic recording material comprising a substrate having a magnetic recording layer thereon which comprises a finely divided ferromagnetic material dispersed in a binder comprising a polyurethane resin, a modified alkyd resin and a polyisocyanate compound.

REFERENCES:
patent: 2871209 (1959-01-01), Shelley
patent: 2982745 (1961-05-01), Gaynes
patent: 3470021 (1969-09-01), Hendricx
patent: 3585141 (1971-06-01), Ingersoll
patent: 3617378 (1971-11-01), Beck
patent: 3630910 (1971-12-01), Akashi et al.
patent: 3634137 (1972-01-01), Akashi et al.
patent: 3649541 (1972-03-01), Ingersoll
patent: 3681137 (1972-08-01), Nagazono
patent: 3833412 (1974-09-01), Akashi et al.
patent: 3840400 (1974-10-01), Yamada et al.

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