US PATENT SUBCLASS 8 / 528
.~ Highly viscous dye concentrate, e.g., paste, etc.

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

527  DF  DYE CONCENTRATE COMPOSITION WHEREIN AN ADDITIONAL AMOUNT OF A CONSTITUENT OF THE COMPOSITION MUST BE ADDED BEFORE USE {1}
528.~ Highly viscous dye concentrate, e.g., paste, etc.

DEFINITION

Classification: 8/528

Highly viscous dye concentrate e.g., paste, etc:

(under subclass 527) Subject matter where dye concentrate is in a highly viscous or thickened state, e.g., a paste, etc.

(1) Note. The paste form can arise from the dye preparation, as in wet grinding of dye cakes.

(2) Note. Normal print pastes are not concentrates. Print pastes with conventional thickeners are classified by the dye, method of application or other dye assistant.