G - Physics – 03 – C
Patent
G - Physics
03
C
96/160, 96/200
G03C 1/52 (2006.01) G03F 7/022 (2006.01)
Patent
CA 1075066
Abstract of the Disclosure This invention relates to an improvement in a light-sensitive copying material comprising a carrier and a light-sensitive copying layer which contains, as the light-sensitive compound, an o-quinone diazide sulfonic acid ester or an o-quinone diazide sulfonic acid amide, the improvement being that the layer also contains a compound with an aromatic or aliphatic hydroxy group which is capable of forming chelate compounds.
263944
Beutel Rainer
Stahlhofen Paul
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