US PATENT SUBCLASS 562 / 844
.~.~ Nitrogen bonded directly to the carbonyl group (e.g., carbamyl chlorides, etc.)

Current as of: June, 1999
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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}
844.~.~ Nitrogen bonded directly to the carbonyl group (e.g., carbamyl chlorides, etc.) {2}
845  DF  .~.~.~> Chalcogen or additional carbonyl bonded directly to the nitrogen
846  DF  .~.~.~> Processes utilizing phosgene as a reactant

DEFINITION

Classification: 562/844

(under subclass 840) Compounds in which nitrogen is bonded directly to the carbonyl of the carboxylic acid halide; i.e., carbamyl halides of the following formula, wherein substitution may be made for hydrogen only: [figure]

(1) Note. An example of a compound provided for herein is: [figure]