US PATENT SUBCLASS 205 / 54
.~ Utilizing organic color-forming material

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

52  DF  ELECTROLYTIC MARKING OR COMPOSITION THEREFOR {2}
54.~ Utilizing organic color-forming material {2}
55  DF  .~.~> Heterocyclic color-forming material
56  DF  .~.~> Hydroxyl or carboxyl group-containing color-forming material

DEFINITION

Classification: 205/54

Utilizing organic color-forming material:

(under subclass 52) Subject matter wherein an organic color-forming material is utilized.