US PATENT SUBCLASS 8 / 94.3
.~.~.~ With vegetable extract

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}
94.29  DF  .~.~ With aluminum compound {1}
94.3.~.~.~ With vegetable extract

DEFINITION

Classification: 8/94.3

(under subclass 94.29) Processes of tanning in which the tanning agent contains a vegetable extract.