US PATENT SUBCLASS 554 / 105
.~.~.~.~ Additional oxygen containing


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}
103  DF  .~.~ Nitrogen containing {4}
104  DF  .~.~.~ Plural nitrogens containing (e.g., guanidine, hydrazine, etc.) {1}
105.~.~.~.~ Additional oxygen containing {2}
106  DF  .~.~.~.~.~> The additional oxygen is in a carboxamide, carbamate, or urea group (e.g., chloramphenicol palmitate, etc.)
107  DF  .~.~.~.~.~> The additional oxygen is in a -C(=O)O- group


DEFINITION

Classification: 554/105

(under subclass 104) Compounds which contain oxygen in addition to the oxygens of the -C(=O)O- group.

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

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