US PATENT SUBCLASS 8 / 94.22
.~.~.~.~ Fat, fatty oil, fatty oil acid or salt thereof

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

94.1 R  DF  TREATMENT OF HIDES, SKINS, FEATHERS AND ANIMAL TISSUES {9}
94.19 R  DF  .~ Tanning {8}
94.2  DF  .~.~ With subsequent treatment {1}
94.21  DF  .~.~.~ Organic material {1}
94.22.~.~.~.~ Fat, fatty oil, fatty oil acid or salt thereof {1}
94.23  DF  .~.~.~.~.~> Emulsions

DEFINITION

Classification: 8/94.22

(under subclass 94.21) Processes in which the subsequent treatment of the leather includes the use of a fat, fatty oil, fatty oil acid or salt thereof.

(1) Note. Processes of fat liquoring leather are found herein.