US PATENT SUBCLASS 526 / 138
.~.~.~.~.~.~ Non-metal material is inorganic oxygen-containing material


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}
135  DF  .~.~.~.~ With non-metal N, P, O, S, Se, Te, or halogen material other than nitrogen gas {4}
136  DF  .~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond {7}
138.~.~.~.~.~.~ Non-metal material is inorganic oxygen-containing material


DEFINITION

Classification: 526/138

(under subclass 136) Subject matter wherein the nonmetal material is elemental oxygen or is a nonmetallic

inorganic-oxygen-containing compound.