US PATENT SUBCLASS 526 / 154
.~.~.~.~ Material contains aluminum compound wherein aluminum atom is not 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}
154.~.~.~.~ Material contains aluminum compound wherein aluminum atom is not bonded to hydrogen or carbon atom {1}
155  DF  .~.~.~.~.~> Contains non-transition elemental metal, hydride thereof or carbon to non transition metal atom bond {2}

DEFINITION

Classification: 526/154

(under subclass 90) Subject matter wherein (1) the specific material contains a transition metal compound which is in admixture with a compound of aluminum, which aluminium compound is other than the hydride or other than a compound wherein an aluminum atom is directly bonded to a carbon atom, or (2) wherein a transition metal-containing compound additionally contains at least one aluminum atom in the same molecule, which aluminum atom is not directly bonded to a hydrogen or carbon atom.