US PATENT SUBCLASS 8 / 662
.~ Azo, acridone, or quinone dye


Current as of: June, 1999
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8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

636  DF  DYE OR POTENTIAL DYE COMPOSITION, ADDITIVE, TREATMENT, PROCESS, PRODUCT, OR ANCILLARY DYE OPERATION {12}
662.~ Azo, acridone, or quinone dye {15}
663  DF  .~.~> Naphthoquinone dye
664  DF  .~.~> Stabilized or potential diazo compound {1}
666  DF  .~.~> Azo developed on the fiber {5}
672  DF  .~.~> Dye containing removable solubilizing group, e.g., lactam radical, etc., or the dye is oxidized to insolubilize
673  DF  .~.~> Dye containing -COOH {1}
675  DF  .~.~> Anthraquinone dye {4}
680  DF  .~.~> Dye containing -(O=)S(=O)-O-, -O(O=)S(=O)-O- or phosphorus oxide group {1}
685  DF  .~.~> Metallized dye, including metallization during dyeing (i.e., including in situ forming of metallized dye) {1}
687  DF  .~.~> Polyazo dye
688  DF  .~.~> Six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen {1}
690  DF  .~.~> Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen {2}
693  DF  .~.~> -COO-alkyl or -COO-aryl hydrocarbon
694  DF  .~.~> Aryl-(O=)S(=O)-N-
695  DF  .~.~> HO-C-C-N-
696  DF  .~.~> Carbonyl bonded directly to nitrogen


DEFINITION

Classification: 8/662

Axo, acridone, or quinone dye:

(under subclass 636) Subject matter wherein a dye containing an azo, acridone, or quinone group is used.

SEE OR SEARCH THIS CLASS, SUBCLASS:

650, for quinonic vat dyes.

SEE OR SEARCH CLASS

534, Organic Compounds,

550+, for the compounds, per se.