US PATENT SUBCLASS 526 / 97
.~.~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond

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}
95  DF  .~.~.~.~ Material contains transition metal oxide (other than peroxide) {9}
96  DF  .~.~.~.~.~ Contains elemental transition metal or a non-oxide compound of a transition metal {1}
97.~.~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond

DEFINITION

Classification: 526/97

(under subclass 96) Subject matter wherein the specified material contains a nontransition metal in elemental form, or in the form of a hydride, or as a compound wherein the nontransition metal is bonded directly to a carbon atom.