US PATENT SUBCLASS 556 / 44
.~.~.~ The metal is bonded directly to X of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens (e.g., vanadyl xanthate, etc.)

Current as of: June, 1999
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556 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
1  DF  .~ HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) {19}
42  DF  .~.~ Vanadium, niobium, or tantalum containing (V, Nb, or Ta) {2}
44.~.~.~ The metal is bonded directly to X of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens (e.g., vanadyl xanthate, etc.)

DEFINITION

Classification: 556/44

(under subclass 42) Compounds wherein the metal is bonded directly to X of a -C(=X) X-group, wherein the X's are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium or tellurium).

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