US PATENT SUBCLASS 430 / 180
.~.~.~.~ Naphthol coupler included

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}
180.~.~.~.~ Naphthol coupler included

DEFINITION

Classification: 430/180

Naphthol coupler included:

(under subclass 171) Compositions which additionally contain a compound, having a hydroxy substituent directly attached to a naphthalene nucleus, which functions as a coupler for dye formation.