US PATENT SUBCLASS 554 / 163
.~.~.~.~ The -C(=O)O- is part of an ester 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.~.~.~.~ The -C(=O)O- is part of an ester group {4}
164  DF  .~.~.~.~.~> Another reactant is a carboxylic acid anhydride (i.e., contains -C(=O)-O-C(=O)-)
165  DF  .~.~.~.~.~> Another reactant is a carboxylic acid {1}
167  DF  .~.~.~.~.~> Another reactant contains alcoholic or phenolic hydroxy (e.g., methy ricinoleate, etc.) {1}
169  DF  .~.~.~.~.~> Molecular rearrangement of the acid moieties of glyceride esters (e.g., random or directed low temperature intra- or inter-esterification of fats, oils, etc.)


DEFINITION

Classification: 554/163

(under subclass 161) Processes wherein the single bonded oxygen of the -C(=O)O- group is bonded directly to an additional carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon (i.e., a carboxylic acid ester).