Photographic multicolor screen element and method for making sam

Details Photographic multicolor screen element and method for making sam Photographic multicolor screen element and method for making sam

1974-10-03

1976-07-13

Klein, David

Gas separation: apparatus

Solid sorbent apparatus

Soluble or deliquescent type

96 80, G03F 500, G03C 184

Patent

active

039691209

ABSTRACT:
A blue-colored filter element of an additive color screen possessing enhanced light stability is prepared by applying to a hydrophilic colloid area an acid triphenyl methane dye and a phthalocyanine dye possessing at least two sulfonic acid groups.

REFERENCES:
patent: 2614926 (1952-10-01), Land
patent: 3284208 (1968-11-01), Land

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