US PATENT SUBCLASS 556 / 150
.~.~.~.~ Carbocyclic ring bonded directly to the chalcogen

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}
138  DF  .~.~ Iron, cobalt, or nickel containing (Fe, Co, or Ni) {3}
146  DF  .~.~.~ Chalcogen bonded directly to the metal {2}
150.~.~.~.~ Carbocyclic ring bonded directly to the chalcogen

DEFINITION

Classification: 556/150

(under subclass 146) Compounds wherein a carbocyclic ring is bonded directly to the chalcogen.