US PATENT SUBCLASS 526 / 169.2
.~.~.~.~.~.~ Transition metal is vanadium


Current as of: June, 1999
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526 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {8}
72  DF  .~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING {43}
89  DF  .~.~ Polymerizing in the presence of a specified material other than monomer {28}
90  DF  .~.~.~ Material contains transition metal or compound thereof {15}
159  DF  .~.~.~.~ Material contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond {11}
169  DF  .~.~.~.~.~ Transition metal is Group VB, VIB or VIII metal {2}
169.2.~.~.~.~.~.~ Transition metal is vanadium


DEFINITION

Classification: 526/169.2

Transition metal is vanadium:

(under subclass 169) Subject matter wherein the transition metal compound contains a vanadium atom.