Silver halide photographic material having magnetic recording me

Details Silver halide photographic material having magnetic recording me Silver halide photographic material having magnetic recording me

1992-01-21

1993-06-01

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Structurally defined

430501, 428692, 428694B, G03C 176, G03C 300, G11B 5633

Patent

active

052158748

ABSTRACT:
A silver halide photographic material comprises a transparent support, at least one silver halide emulsion layer, and a magnetic recording film. The support and magnetic recording film are prepared by coextrusion of a polyester material containing no ferromagnetic powder and a polyester material containing a ferromagnetic powder. At least one polyester material preferably has a hydrophilic group in its structure or contains a hygroscopic material. Further, the above silver halide photographic material enclosed with a cylindrical cartridge and a magnetic recording sheet consisting of a polyester material and a polyester material with a hydrophilic group in its structure containing a ferromagnetic powder, are disclosed.

REFERENCES:
patent: 4279945 (1981-07-01), Audran et al.
patent: 4832275 (1989-05-01), Robertson
patent: 4834306 (1989-05-01), Robertson et al.
patent: 4846418 (1989-07-01), Fairman
patent: 5047278 (1991-09-01), Ono et al.

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