US PATENT SUBCLASS 554 / 205
.~.~.~ Gas or vapor treating agent (e.g., steam, carbon dioxide, hydrocarbon vapors, etc.)


Current as of: June, 1999
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554 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ Fatty compounds having an acid moiety which contains the carbonyl of a carboxylic acid, salt, ester, or amide group bonded directly to one end of an acyclic chain of at least seven (7) uninterrupted carbons, wherein any additional carbonyl in the acid moiety is (1) part of an aldehyde or ketone group, (2) bonded directly to a noncarbon atom which is between the additional carbonyl and the chain, or (3) attached indirectly to the chain via ionic bonding {23}
175  DF  .~.~ Purification, recovery, deodorizing, decolorizing or color stabilizing {14}
205.~.~.~ Gas or vapor treating agent (e.g., steam, carbon dioxide, hydrocarbon vapors, etc.)


DEFINITION

Classification: 554/205

(under subclass 175) Processes which include utilizing a gaseous or vaporous material to purify, recover, deodorize, decolor, or to stabilize the color of, the fatty compound.