US PATENT SUBCLASS 525 / 429
.~.~.~.~.~.~ Contains phenolic 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}
418  DF  .~.~ Solid polymer derived from at least one carboxylic acid or derivative {3}
419  DF  .~.~.~ Solid polymer derived from at least one lactam; from an amino carboxylic acid or derivative; or from a polycarboxylic acid or derivative {3}
420  DF  .~.~.~.~ Solid polymer derived from an amino carboxylic acid or derivative; from a polyamine and a polycarboxylic acid or derivative; from at least one lactam; or from a polyamine salt of a polycarboxylic acid {14}
427  DF  .~.~.~.~.~ Mixed with aldehyde or aldehyde derivative reactant or polymer therefrom {2}
429.~.~.~.~.~.~ Contains phenolic reactant or polymer thereof

DEFINITION

Classification: 525/429

Contains phenolic reactant or polymer thereof:

(under subclass 427) Subject matter which contains a phenolic reactant (which is not in the solid polymer backbone) or a polymer thereof.

(1) Note. The phenolic reactant or polymer thereof can be in addition to the aldehyde or aldehyde derivative or can be in the same compound. See the Glossary for a definition of the term "phenolic".