US PATENT SUBCLASS 562 / 853
.~.~ Plural -C(=O)-halo groups attached indirectly to each other by nonionic bonding

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.~.~ Plural -C(=O)-halo groups attached indirectly to each other by nonionic bonding {2}
854  DF  .~.~.~> Preparing utilizing phosgene
855  DF  .~.~.~> Plural -C(=O)-halo groups bonded directly to the same benzene ring

DEFINITION

Classification: 562/853

(under subclass 840) Compounds wherein at least two -C(=O)-halo groups are attached indirectly to each other by nonionic bonding.

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