US PATENT SUBCLASS 570 / 241
.~.~ Preparing utilizing plural diverse reactions in separate zones

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}
241.~.~ Preparing utilizing plural diverse reactions in separate zones {1}
242  DF  .~.~.~> Addition reaction of hydrogen chloride to carbon to carbon unsaturation with chlorination in separate zone

DEFINITION

Classification: 570/241

Preparing utilizing plural diverse reactions in separate zones:

(under subclass 101) Process wherein different reactions are carried out in different zones.This subclass requires that at least one different reactant is added in a latter zone.

(1) Note. Mere plural addition of more of the same ingredient in a subsequent zone, e.g., multistage halogen addition, etc., will not place a patent in this or the indented subclass.

(2) Note. While at least one reaction must produce a

compound under subclass 101, the other diverse reaction may be any type, e.g., preparation of halogenating agent by chemical reaction, etc.