US PATENT SUBCLASS 556 / 62
.~.~.~.~ The carbons of plural -C(X=)X- groups, are bonded directly to each other, to the same acyclic carbon, (e.g., chromium oxalates, 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}
57  DF  .~.~ Chromium, molybdenum, or tungsten containing (Cr, Mo, or {2}
61  DF  .~.~.~ Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens {2}
62.~.~.~.~ The carbons of plural -C(X=)X- groups, are bonded directly to each other, to the same acyclic carbon, (e.g., chromium oxalates, etc.)

DEFINITION

Classification: 556/62

(under subclass 61) Compounds wherein the carbons of at least two -C(=X)X- groups are bonded directly to each other, to the same acyclic carbon chain.

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