US PATENT SUBCLASS 554 / 166
.~.~.~.~.~.~ Polycarboxylic or hydroxy acid (i.e., containing additional -C(=O)OH or an -OH group)


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}
124  DF  .~.~ Processes of forming the compound {13}
161  DF  .~.~.~ Reactant contains -C(=O)O- group (e.g., carboxylic acid, salt, anhydride, etc.) {3}
163  DF  .~.~.~.~ The -C(=O)O- is part of an ester group {4}
165  DF  .~.~.~.~.~ Another reactant is a carboxylic acid {1}
166.~.~.~.~.~.~ Polycarboxylic or hydroxy acid (i.e., containing additional -C(=O)OH or an -OH group)


DEFINITION

Classification: 554/166

(under subclass 165) Processes wherein the carboxylic acid reactant contains plural-C(=O)OH groups or has an -OH group in the acid moiety.