Recovery of photographic polyester support

Details Recovery of photographic polyester support Recovery of photographic polyester support

1995-11-17

1997-12-16

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Combined

430533, 521 48, G03C 1124, G03C 183, C08J 1104

Patent

active

056983786

ABSTRACT:
A photographic material comprising a polyester support and an undercoat and/or backcoat layer applied thereto is treated with an alkaline aqueous solution of sodium hydroxide and/or potassium hydroxide. The polyester support can be recovered for reuse without quality degradation like foreign matter contamination and transmittance losses.

REFERENCES:
patent: 4448850 (1984-05-01), Upson et al.
patent: 4765835 (1988-08-01), Schoenhard
patent: 5523329 (1996-06-01), Moore et al.

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