US PATENT SUBCLASS 570 / 159
.~.~.~.~ From methane or halomethane

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}
159.~.~.~.~ From methane or halomethane

DEFINITION

Classification: 570/159

From methane or halomethane:

(under subclass 153) Process wherein a source of carbon in the product is methane or a halomethane.