US PATENT SUBCLASS 987 / 21
COMPOUNDS CONTAINING ELEMENTS OF THE 6TH GROUP OF THE PERIODIC SYSTEM (Cr, Mo, W, Po) (11/00)

Current as of: June, 1999
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987 /   HD   ORGANIC COMPOUNDS CONTAINING A Bi, Sb, As, OR P ATOM OR CONTAINING A METAL ATOM OF THE 6TH TO 8TH GROUP OF THE PERIODIC SYSTEM

21COMPOUNDS CONTAINING ELEMENTS OF THE 6TH GROUP OF THE PERIODIC SYSTEM (Cr, Mo, W, Po) (11/00) {1}
22  DF  .~> Devoid of any Group 6 atom directly bonded to carbon (11/00B)

DEFINITION

Classification: 987/21

COMPOUNDS CONTAINING ELEMENTS OF THE 6TH GROUP OF THE PERIODIC SYSTEM (Cr, Mo, W, Po) (11/00):

(under the class definition) Subject matter drawn to organic compounds wherein a Group 6 metal of the Periodic System (Cr, Mo, W, or Po) is bonded either directly to a carbon atom or is indirectly bonded to a carbon atom only through non-ionic bonding.