Optically brightened photographic silver halide element with a p

Details Optically brightened photographic silver halide element with a p Optically brightened photographic silver halide element with a p

1987-03-23

1988-12-27

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430536, 430517, 548219, G03C 186

Patent

active

047940719

ABSTRACT:
An improved photographic support, especially useful for color prints, is comprised of a paper base material having thereon a polyolefin coating containing a white pigment and a mixture of optical brighteners, such mixture comprising certain fluorescent bis(benzoxazolyl)stilbenes. The support exhibits improved brightness at low brightener concentration and unexpected resistance to brightener exudation.

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patent: 4558002 (1985-11-01), Aotsuka et al.
patent: 4650747 (1987-03-01), Uno et al.

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