US PATENT SUBCLASS 8 / 139
.~ Scouring, degreasing or bowking

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

137  DF  CLEANING OR LAUNDERING {6}
139.~ Scouring, degreasing or bowking {1}
139.1  DF  .~.~> With fat solvent

DEFINITION

Classification: 8/139

(under subclass 137) Inventions directed to the removal of impurities such as, grease, wax, dirt, etc., from wool, hide, skin, leather or cotton, preparatory to bleaching, dyeing or other textile operations by scouring as with solvents, soaps, detergents or boiling in alkaline liquors.

SEE OR SEARCH THIS CLASS, SUBCLASS:

141, for waste reclaiming and conditioning.