US PATENT SUBCLASS 570 / 228
.~.~.~.~.~ Catalyst in liquid phase

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}
216  DF  .~.~ Processes of preparing, purifying, or recovering unsaturated compound {12}
226  DF  .~.~.~ Dehydrohalogenation {2}
227  DF  .~.~.~.~ Catalyst utilized {1}
228.~.~.~.~.~ Catalyst in liquid phase

DEFINITION

Classification: 570/228

Catalyst in liquid phase:

(under subclass 227) Process wherein the catalyst is employed in a liquid phase.