US PATENT SUBCLASS 8 / 94.24
.~.~ With aldehyde-aromatic condensation product

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}
94.24.~.~ With aldehyde-aromatic condensation product

DEFINITION

Classification: 8/94.24

(under subclass 94.19) Processes of tanning in which the tanning agent used contains condensation product of an aldehyde and an aromatic compound.

(1) Note. The use of the materials known as "syntans" are classified herein.