US PATENT SUBCLASS 430 / 165
.~.~.~ Quinone diazide containing layer

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

141  DF  DIAZO REPRODUCTION, PROCESS, COMPOSITION, OR PRODUCT {7}
154  DF  .~ Composition or product which contains radiation sensitive compound having moiety of nitrogen double or triple bonded directly to nitrogen other than chromophore moiety, e.g., triazene containing product, etc., process of making, and composition or product used to finish or develop a diazo reproduction {3}
155  DF  .~.~ Product with at least two named layers {5}
165.~.~.~ Quinone diazide containing layer {1}
166  DF  .~.~.~.~> Including additional layer

DEFINITION

Classification: 430/165

Quinone diazide containing layer:

(under subclass 155) Products having a radiation-sensitive layer or coating containing a quinone diazide compound. Quinone diazides are sometimes called diazo ketones or diazo oxides. Iminoquinone diazides are considered quinone diazides for the purpose of this subclass.