US PATENT SUBCLASS 525 / 500
.~.~.~.~ Wherein the phenolic-aldehyde- or phenolic-aldehyde-type solid polymer or SICP is derived from a reactant or polymer containing an atom other than C, H, or O

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}
480  DF  .~.~ Solid polymer or specified intermediate condensation product derived from at least one phenolic reactant and at least one aldehyde or aldehyde-type reactant or polymer therefrom {10}
491  DF  .~.~.~ Mixed with additional aldehyde or aldehyde-type reactants which are part of a SPFI system or polymer thereof {5}
500.~.~.~.~ Wherein the phenolic-aldehyde- or phenolic-aldehyde-type solid polymer or SICP is derived from a reactant or polymer containing an atom other than C, H, or O

DEFINITION

Classification: 525/500

Wherein the phenolic-aldehyde- or phenolic-aldehyde-type solid polymer or specified intermediate condensation product is derived from a reactant or polymer containing an atom other than C, H, or O:

(under subclass 491) Subject matter wherein the phenol-aldehyde or aldehyde-type solid polymer or specified intermediate condensate is derived from a reactant or polymer containing an atom other than carbon, hydrogen, or oxygen.