US PATENT SUBCLASS 554 / 119
.~.~.~.~.~ Additional oxygen bonded directly to the ring


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
115  DF  .~.~ Additional carbonyl in the acid moiety (e.g., oiticica oil, licanic acid, etc.) {5}
117  DF  .~.~.~ Alicyclic ring in the acid moiety (e.g., prostaglandin analogs, etc.) {1}
118  DF  .~.~.~.~ Oxygen double bonded directly to the ring (i.e., the carbon of the additional carbonyl is part of the ring; e.g., homo prostaglandins, etc.) {1}
119.~.~.~.~.~ Additional oxygen bonded directly to the ring


DEFINITION

Classification: 554/119

(under subclass 118) Compounds which contain an additional oxygen bonded directly to the ring.

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

[figure]