US PATENT SUBCLASS 564 / 46
.~.~.~.~.~ Carbon to carbon unsaturation in the substituent

Current as of: June, 1999
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564 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
32  DF  .~.~ Ureas (i.e., HNH-CO-HNH, wherein substitution may be made for hydrogen only) {9}
44  DF  .~.~.~ Additional carbonyl bonded directly to urea nitrogen {1}
45  DF  .~.~.~.~ The additional carbonyl is in a substituent which is acyclic {1}
46.~.~.~.~.~ Carbon to carbon unsaturation in the substituent

DEFINITION

Classification: 564/46

(under subclass 45) Compounds wherein the carboxylic acid contains a double or triple bond.

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