US PATENT SUBCLASS 528 / 9
.~ FROM HEAVY METAL OR ALUMINUM REACTANT HAVING AT LEAST ONE HYDROGEN-TO-HEAVY METAL OR -ALUMINUM BOND OR AT LEAST ONE CARBON-TO-HEAVY METAL OR -ALUMINUM BOND

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528 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
9.~ FROM HEAVY METAL OR ALUMINUM REACTANT HAVING AT LEAST ONE HYDROGEN-TO-HEAVY METAL OR -ALUMINUM BOND OR AT LEAST ONE CARBON-TO-HEAVY METAL OR -ALUMINUM BOND

DEFINITION

Classification: 528/9

(under subclass 1) Subject matter under Class 520, ..., involving polymer products derived from a heavy metal or aluminum-containing reactant wherein at least one atom of a heavy metal or aluminum is bonded directly to an atom of hydrogen or carbon or processes of polymerizing; polymerizable compositions containing as a reactant a compound of a heavy metal or aluminum wherein the heavy metal or aluminum atom is directly bonded to a hydrogen or carbon atom or processes of preparing.

(1) Note. Heavy metal denotes a metal atom having a specific gravity greater than four.

SEE OR SEARCH THIS CLASS, SUBCLASS:

395, for a polymer derived from a heavy metal-or aluminum-containing reactant.

480+, for processes of preparing a polymer not involving a chemical modification of the polymer, by the addition of a material thereto, and for chemically modifying material other than the polymer. Subclasses 480+ also provide for processes of admixing with a broadly claimed nonreactant material.

SEE OR SEARCH CLASS

526, Synthetic Resins or Natural Rubbers, 240+, for a polymer derived from a metal-containing ethylenic reactant as sole monomer or for a metal-containing interpolymer wherein all of the reactants used in preparing the polymer are ethylenically unsaturated.