US PATENT SUBCLASS 526 / 162
.~.~.~.~.~ Non-transition metal is bonded to carbon atom in compound which contains ethylenic unsaturation

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}
162.~.~.~.~.~ Non-transition metal is bonded to carbon atom in compound which contains ethylenic unsaturation

DEFINITION

Classification: 526/162

(under subclass 159) Subject matter wherein at least one carbon atom is directly bonded to a nontransition metal atom and the molecule contains in addition at least one ethylenic unsaturated moiety.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, Glossary, for the definition of "ethylenically unsaturated".