US PATENT SUBCLASS 8 / 194
.~.~.~ Amide

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

115.51  DF  CHEMICAL MODIFICATION OF TEXTILES OR FIBERS OR PRODUCTS THEREOF {7}
116.1  DF  .~ Cellulose fibers {8}
181  DF  .~.~ Treatment with nitrogen-containing organic compound {6}
194.~.~.~ Amide {1}
195  DF  .~.~.~.~> Urea or thiourea

DEFINITION

Classification: 8/194

(under subclass 181) Processes wherein the nitrogen-containing organic compound is a compound which is identical in constitution with one formed by replacing the hydroxyl group of an inorganic oxyacid by an amino radical or the hydroxyl of a carboxyl or organic sulfoxy acid group by NH2 or the H- substituted forms thereof.