US PATENT SUBCLASS 8 / 188
.~.~.~ Quaternary ammonium compound

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
188.~.~.~ Quaternary ammonium compound

DEFINITION

Classification: 8/188

(under subclass 181) Processes wherein the nitrogen-containing organic compound contains a pentavalent nitrogen atom bonded by 4 covalent bonds to carbon atoms.