US PATENT SUBCLASS 428 / 509
.~.~.~.~ Addition polymer of hydrocarbon(s) only

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
500  DF  .~ Of addition polymer from unsaturated monomers {6}
507  DF  .~.~ Next to cellulosic {2}
508  DF  .~.~.~ Regenerated or modified cellulose {2}
509.~.~.~.~ Addition polymer of hydrocarbon(s) only

DEFINITION

Classification: 428/509

(under subclass 508) Product wherein the addition polymer is made from one or more monomers in which only carbon and hydrogen appear, (e.g., polyethylene*, polyproxylene, polystyrene, butadiene styrene copolymer (SBR)*, ethylenepropylene copolymer, etc.