US PATENT SUBCLASS 8 / 556
.~.~.~ Cyanamide- or dicyandiamide-formaldehyde polymer


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

550  DF  ORGANIC ADDITIVE FOR DYE COMPOSITION, DYE COMPOSITION CONTAINING ORGANIC ADDITIVE, PROCESS OR PRODUCT; OTHER THAN EMULSIFIER, PH ADJUSTER OR STARCH OR GUM PRINT PASTE THICKENER {24}
552  DF  .~ Polymeric additive {5}
554  DF  .~.~ Cationic polymer, e.g., aminated polymer without -COO-, -(O=)S(=O)-, -O (O=)P(=O)-O- groups, e.g., polyacrylamide, etc. {2}
556.~.~.~ Cyanamide- or dicyandiamide-formaldehyde polymer


DEFINITION

Classification: 8/556

Cyanamide- or dicyandiamide- formaldehyde polymer:

(under subclass 554) Subject matter involving a polymer derived from the reaction of cyanamide and formaldehyde or dicyandiamide and formaldehyde.

SEE OR SEARCH THIS CLASS, SUBCLASS:

554, for a guanadine formaldehyde polymer.