US PATENT SUBCLASS 430 / 187
.~.~.~.~.~ 2,5 substitution of benzene nucleus


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}
170  DF  .~.~ Radiation-sensitive composition {4}
171  DF  .~.~.~ Diazonium compound containing {9}
183  DF  .~.~.~.~ P-amino or p-thio benzene diazonium compound {4}
187.~.~.~.~.~ 2,5 substitution of benzene nucleus


DEFINITION

Classification: 430/187

2, 5 substitution of benzene nucleus:

(under subclass 183) Compositions wherein the diazonium compound or salt additionally has substituents attached to the benzene nucleus in the 2 and 5 positions relative to the diazonium radical.