US PATENT SUBCLASS 562 / 845
.~.~.~ Chalcogen or additional carbonyl bonded directly to the nitrogen

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  DF  .~.~ Nitrogen bonded directly to the carbonyl group (e.g., carbamyl chlorides, etc.) {2}
845.~.~.~ Chalcogen or additional carbonyl bonded directly to the nitrogen

DEFINITION

Classification: 562/845

(under subclass 844) Compounds wherein chalcogen, X, (i.e., oxygen, sulfur, selenium or tellurium) or an additional carbonyl group is bonded directly to the nitrogen of the carbamyl halide; i.e., groups of the following formulas, wherein substitution may be made for hydrogen only:

(1) Note. Examples of compounds provided for herein are: [figure]