US PATENT SUBCLASS 526 / 151
.~.~.~.~.~ At least one atom of Group IIIA metal (Al, Ga, In, Tl) in elemental form or bonded to hydrogen or carbon atom

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.~.~.~.~.~ At least one atom of Group IIIA metal (Al, Ga, In, Tl) in elemental form or bonded to hydrogen or carbon atom {2}
152  DF  .~.~.~.~.~.~> At least one atom of Group IA metal (Li, Na, K, Rb, Cs, Fr) in elemental form or bonded to hydrogen or carbon atom
153  DF  .~.~.~.~.~.~> Two or more Group IIIA metals in elemental form or bonded to hydrogen or carbon atom

DEFINITION

Classification: 526/151

(under subclass 148) Subject matter wherein the specified material contains an atom of a Group IIIA (Al, Ga, In, Tl) metal in elemental form, or contains a hydride of a Group IIIA metal, or contains a compound of a Group IIIA metal wherein the Group IIIA metal is directly bonded to a carbon atom.