US PATENT SUBCLASS 568 / 334
.~.~.~.~.~.~ Chalcones

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
303  DF  .~.~ Ketones {10}
308  DF  .~.~.~ Benzene ring containing {3}
325  DF  .~.~.~.~ Plural rings containing {3}
331  DF  .~.~.~.~.~ Carbonyl bonded directly to benzene ring {2}
334.~.~.~.~.~.~ Chalcones

DEFINITION

Classification: 568/334

(under subclass 331) Compounds which contain the 1,3-dipheny1-2-propen-1 one nucleus, [figure]