US PATENT SUBCLASS 562 / 855
.~.~.~ Plural -C(=O)-halo groups bonded directly to the same benzene ring

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
840  DF  .~ Carboxylic halides (i.e., compounds having the -C(=O)-halo group) {11}
853  DF  .~.~ Plural -C(=O)-halo groups attached indirectly to each other by nonionic bonding {2}
855.~.~.~ Plural -C(=O)-halo groups bonded directly to the same benzene ring

DEFINITION

Classification: 562/855

(under subclass 853) Compounds wherein at least two carbonyl groups are bonded directly to the same benzene ring.

(1) Note. An example of a compound provided for herein is: [figure]