US PATENT SUBCLASS 554 / 206
.~.~.~ Organic solvent utilized


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}
206.~.~.~ Organic solvent utilized {3}
207  DF  .~.~.~.~> Water utilized (e.g., solvent-solvent extraction, etc.)
208  DF  .~.~.~.~> With crystallization or precipitation (e.g., separation according to degree of saturation, etc.) {1}
210  DF  .~.~.~.~> Halogen containing or hydrocarbon solvent


DEFINITION

Classification: 554/206

(under subclass 175) Processes wherein an organic compound is utilized as solvent.