US PATENT SUBCLASS 570 / 253
.~.~.~ Catalyst or reacton directing agent utilized

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}
252  DF  .~.~ Elemental halogen reactant {2}
253.~.~.~ Catalyst or reacton directing agent utilized {1}
254  DF  .~.~.~.~> Inorganic metal containing catalyst or reaction directing agent utilized

DEFINITION

Classification: 570/253

Catalyst or reaction directing agent utilized:

(under subclass 252) Process including a catalyst which promotes the reaction or an agent which causes the reaction to take place in a particular way to favor one possible product over another.