US PATENT SUBCLASS 162 / 51-- .~ Digestion odor control

US PATENT SUBCLASS 162 / 51
.~ Digestion odor control

Current as of: June, 1999
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162 /	HD	PAPER MAKING AND FIBER LIBERATION

1	DF	PROCESSES OF CHEMICAL LIBERATION, RECOVERY OR PURIFICATION OF NATURAL CELLULOSE OR FIBROUS MATERIAL {33}
51		.~ Digestion odor control

DEFINITION

Classification: 162/51

(under subclass 1) Processes which include a step of controlling odors given off in connection with the fiber treating or digestion process.

SEE OR SEARCH CLASS

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

5, for process of deodorizing not otherwise provided for.

424, Drug, Bio-Affecting and Body Treating Compositions,

76, for a deodorant composition, per se. 588, Hazardous or Toxic Waste Destruction or Containment, appropriate subclasses depending on the chemical composition of the odors.