US PATENT SUBCLASS 556 / 48
.~.~.~.~.~ Chalcogen or -C(=X)-, wherein X is chalcogen, bonded directly to the unsaturated 5-membered carbocyclic ring


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
45  DF  .~.~ Manganese or rhenium containing (Mn or Re) {2}
46  DF  .~.~.~ Carbon bonded directly to the metal (e.g., ethyl thiomanganese tricarbonyl, etc.) {1}
47  DF  .~.~.~.~ The metal is bonded directly to an unsaturated 5-membered carbocyclic ring and to at least three -C(=X)- groups, wherein X is chalcogen (e.g., cyclopentadienyl manganese tricarbonyl, indenyl manganese tricarbonyl, etc.) {1}
48.~.~.~.~.~ Chalcogen or -C(=X)-, wherein X is chalcogen, bonded directly to the unsaturated 5-membered carbocyclic ring


DEFINITION

Classification: 556/48

(under subclass 47) Compounds wherein chalcogen or -C(=X)-, wherein X is chalcogen, are bonded directly to the unsaturated 5-membered carbocyclic ring.