Support for photographic photosensitive materials having a magne

Details Support for photographic photosensitive materials having a magne Support for photographic photosensitive materials having a magne

1992-09-30

1994-12-20

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

427129, 430140, 428 43, 428532, 428534, 428694B, 428694BS, 428694SL, 428900, 521 405, G11B 500

Patent

active

053744705

ABSTRACT:
A support for photographic photosensitive materials which consists essentially of a magnetic recording layer, a cellulose ester layer and an intermediate layer provided between the magnetic recording layer and the cellulose ester layer consisting essentially of a polymer of which the solubility in a solvent for separation is different from the cellulose ester of the cellulose ester layer. According to the support of the invention, the magnetic recording layer is very easily separated from the cellulose ester layer, and they can easily be recycled. Moreover, magnetic properties of the support are improved.

REFERENCES:
patent: 2284142 (1942-05-01), Gray
patent: 2883301 (1955-08-01), Prichard et al.
patent: 4874633 (1989-10-01), Komatsu et al.
patent: 5198471 (1993-03-01), Nauman et al.

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