US PATENT SUBCLASS 562 / 804
.~.~ Chalcogen attached directly to the nitrogen of the imidic halide group by nonionic bonding (i.e., -X-N=CH-halo, wherein X is chalcogen)

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}
802  DF  .~ Imidic acid halides (i.e., compounds having the -N=CH-halo group, wherein substitution may be made for hydrogen only) {3}
804.~.~ Chalcogen attached directly to the nitrogen of the imidic halide group by nonionic bonding (i.e., -X-N=CH-halo, wherein X is chalcogen)

DEFINITION

Classification: 562/804

(under subclass 802) Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is attached directly to the nitrogen of the imidic acid halide group by nonionic bonding (i.e., -X-N=CH-halo wherein substitution may be made for hydrogen only).

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