US PATENT SUBCLASS 525 / 391
.~.~.~ Mixed with ethylenically unsaturated reactant or polymer derived therefrom

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.~.~.~ Mixed with ethylenically unsaturated reactant or polymer derived therefrom {1}
392  DF  .~.~.~.~> Unsaturated aromatic reactant or polymer thereof

DEFINITION

Classification: 525/391

Mixed with ethylenically unsaturated reactant or polymer derived therefrom:

(under subclass 390) Subject matter wherein the solid phenolic polymer is mixed with an ethylenically unsaturated agent or polymer derived therefrom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

132+, for a solid polymer from a phenolic reactant admixed or reacted with a solid polymer derived from ethylenic reactants only.