US PATENT SUBCLASS 526 / 189
.~.~.~.~.~ Contains P, N, S, or O 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}
189.~.~.~.~.~ Contains P, N, S, or O atom

DEFINITION

Classification: 526/189

(under subclass 185) Subject matter wherein the specified material contains phosphorus, nitrogen, sulfur, or oxygen.

(1) Note. Excluded from this area is the use of nitrogen or air as carrier or blanket gases.