US PATENT SUBCLASS 525 / 489
.~.~.~.~ With additional aldehyde or aldehyde-type reactant or polymer therefrom which is distinct from aldehyde or aldehyde-type reactant used in forming solid polymer or SICP; or with nitrogen-containing reactant

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}
481  DF  .~.~.~ Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom {6}
489.~.~.~.~ With additional aldehyde or aldehyde-type reactant or polymer therefrom which is distinct from aldehyde or aldehyde-type reactant used in forming solid polymer or SICP; or with nitrogen-containing reactant

DEFINITION

Classification: 525/489

With additional aldehyde or aldehyde-type reactant or polymer therefrom which is distinct from aldehyde or aldehyde-type reactant used in forming solid polymer or specified intermediate condensation product or with nitrogen-containing reactant:

(under subclass 481) Subject matter wherein a solid polymer or specified intermediate condensation product derived from at least one phenolic reactant and at least one aldehyde or aldehyde-type reactant is mixed with a reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom is also mixed with an additional aldehyde or aldehyde-type reactant or polymer reactant derived therefrom which is distinct from the aldehyde in the solid or specified intermediate condensation product; or with a nitrogen-containing reactant or polymer derived therefrom.