US PATENT SUBCLASS 525 / 392
.~.~.~.~ Unsaturated aromatic reactant or polymer thereof


Current as of: June, 1999
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525 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
50  DF  .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32}
390  DF  .~.~ Solid polymer derived solely from phenolic reactants wherein none of the reactants contains a plurality of methylol groups or derivatives thereof {6}
391  DF  .~.~.~ Mixed with ethylenically unsaturated reactant or polymer derived therefrom {1}
392.~.~.~.~ Unsaturated aromatic reactant or polymer thereof


DEFINITION

Classification: 525/392

Unsaturated aromatic reactant or polymer thereof:

(under subclass 391) Subject matter wherein an unsaturated reactant or polymer derived therefrom contains an aromatic group.