US PATENT SUBCLASS 526 / 124.2
.~.~.~.~.~.~ Contains a magnesium compound as the Group IIA metal compound

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}
123.1  DF  .~.~.~.~ Material contains compound of Group IA (Li, Na, K, Rb, Cs, Fr) or Group IIA (Be, Mg, Ca, Sr, Ba, Ra) metal wherein IA or IIA metal is not bonded to hydrogen or to carbon {1}
124.1  DF  .~.~.~.~.~ Contains nontransition elemental metal, hydride thereof, or carbon to non-transition metal atom bond {1}
124.2.~.~.~.~.~.~ Contains a magnesium compound as the Group IIA metal compound {1}
124.3  DF  .~.~.~.~.~.~.~> Contains at least one additional specified material {6}

DEFINITION

Classification: 526/124.2

(under subclass 124.1) Subject matter wherein the specified material contains a magnesium compound having no carbon to magnesium or hydrogen to magnesium bonds.

(1) Note. Examples of substances provided for herein as contained in the specified material are MgCl2, MgO, and Mg(OC2H5)2.

SEE OR SEARCH THIS CLASS, SUBCLASS:

941, for a cross-reference art collection pertaining to the subject matter of this subclass and its indents.