US PATENT SUBCLASS 554 / 203
.~.~.~.~.~ Centrifugal separation


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}
195  DF  .~.~.~ Group IA or IIA light metal containing treating agent (i.e., Li, Na, K, Rb, Cs, or Be, Mg, Ca, Sr, Ba) [e.g., carbonates, etc.] {5}
202  DF  .~.~.~.~ The treating agent is a metal oxide or hydroxide (e.g., lye, lime, caustic alkali, etc.) {1}
203.~.~.~.~.~ Centrifugal separation


DEFINITION

Classification: 554/203

(under subclass 202) Processes which include separation by centrifugation, i.e., fast rotation.