US PATENT SUBCLASS 570 / 157
.~.~.~.~.~.~ Alkali or alkaline earth metal containing catalyst

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}
123  DF  .~.~ Fluorine containing {21}
153  DF  .~.~.~ Preparing unsaturated compound {4}
155  DF  .~.~.~.~ By dehalogenation or dehydrohalogenation of adjacent carbon atoms in a compound {1}
156  DF  .~.~.~.~.~ Catalyst utilized {2}
157.~.~.~.~.~.~ Alkali or alkaline earth metal containing catalyst

DEFINITION

Classification: 570/157

Alkali or alkaline earth metal containing catalyst:

(under subclass 156) Process wherein the catalyst contains an atom of an alkali or an alkaline earth metal.