US PATENT SUBCLASS 435 / 265
.~ Depilating hides, bating, or hide treating using enzyme or micro-organism

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

262  DF  PROCESS OF UTILIZING AN ENZYME OR MICRO-ORGANISM TO DESTROY HAZARDOUS OR TOXIC WASTE, LIBERATE, SEPARATE, OR PURIFY A PREEXISTING COMPOUND OR COMPOSITION THEREFORE; CLEANING OBJECTS OR TEXTILES {8}
265.~ Depilating hides, bating, or hide treating using enzyme or micro-organism

DEFINITION

Classification: 435/265

Depilating hides, bating, or hide treating using enzyme or microorganism:

(under subclass 262) Processes wherein the preexisting material treated is a hide or a skin of an animal.

SEE OR SEARCH CLASS

8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers,

401, for a dyeing process employing fermentation or an enzyme; subclasses 94.1+ for processes of tanning hides or skins by fermentation with subsequent tanning of the hides or skins or subsequent operations that are preliminary and peculiar to making leather. Class 435 provides for a fermentation process, per se, of treating a hide or skin, e.g., depilating, bating, etc.

71, Chemistry: Fertilizers,

18, for compositions of matter including hides, skins, feathers, or animal tissues such as compost.