US PATENT SUBCLASS 562 / 848
.~.~ Processes utilizing carbon monoxide as a reactant

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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
840  DF  .~ Carboxylic halides (i.e., compounds having the -C(=O)-halo group) {11}
848.~.~ Processes utilizing carbon monoxide as a reactant

DEFINITION

Classification: 562/848

(under subclass 840) Processes whereby carbon monoxide is utilized as a reactant, i.e., carbonylation reactions.