US PATENT SUBCLASS 526 / 153
.~.~.~.~.~.~ Two or more Group IIIA metals in elemental form or bonded to hydrogen or carbon atom

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}
148  DF  .~.~.~.~ Contains two or more diverse non-transition elemental metals, different non-transition hydride compounds, different carbon to non transition metal compounds, or mixture thereof {3}
151  DF  .~.~.~.~.~ At least one atom of Group IIIA metal (Al, Ga, In, Tl) in elemental form or bonded to hydrogen or carbon atom {2}
153.~.~.~.~.~.~ Two or more Group IIIA metals in elemental form or bonded to hydrogen or carbon atom

DEFINITION

Classification: 526/153

(under subclass 151) Subject matter wherein the specified material contains (1) two or more Group IIIA metals in elemental form, two or more Group IIIA metal hydrides, or two or more compounds which contain a carbon to Group IIIA metal bond; or (2) a mixture composed of at least two of any of the Group IIIA materials noted in (1).