US PATENT SUBCLASS 570 / 206
.~.~.~ Bonding halogen directly to benzene ring

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
190  DF  .~.~ Processes of preparing, purifying, or recovering benzene ring containing compound {9}
206.~.~.~ Bonding halogen directly to benzene ring {1}
207  DF  .~.~.~.~> Chlorination {1}

DEFINITION

Classification: 570/206

Bonding halogen directly to benzene ring:

(under subclass 190) Process wherein halogen is bonded directly to a carbon atom of a benzene ring.