US PATENT SUBCLASS 526 / 187
.~.~.~.~.~ Contains Group IA or IIA 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}
183  DF  .~.~.~ Material contains metal atom bonded to a carbon atom {3}
185  DF  .~.~.~.~ Metal bonded to carbon is aluminum {4}
187.~.~.~.~.~ Contains Group IA or IIA atom

DEFINITION

Classification: 526/187

(under subclass 185) Subject matter wherein the specified material contains a Group IA or Group IIA metal atom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

173+, for a specified material containing a Group IA metal atom in elemental form, Group IA hydride, or compound containing a Group IA metal bonded to a carbon atom.