US PATENT SUBCLASS 554 / 213
.~.~ Additional oxygen in the acid moiety (e.g., hydroxystearic acid, 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}
213.~.~ Additional oxygen in the acid moiety (e.g., hydroxystearic acid, etc.) {3}
214  DF  .~.~.~> Alicyclic ring in the acid moiety (e.g., prostaglandin analog, etc.) {2}
218  DF  .~.~.~> Benzene ring in the acid moiety
219  DF  .~.~.~> Acyclic carbon-to-carbon unsaturation in the acid moiety (e.g., ricinoleic acid, castor oil, etc.)


DEFINITION

Classification: 554/213

(under subclass 1) Compounds wherein the acid moiety contains oxygen in addition to those of the carboxylic acid, salt or ester group.

(1) Note. This subclass contains, for example:

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