US PATENT SUBCLASS 525 / 406
.~.~.~.~ Contains amine-, N-C(=X)-, or N-S(=O)- containing reactant (X is chalcogen)

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}
403  DF  .~.~ Solid polymer is derived from 1,2-epoxy compound containing only one 1,2 epoxy group as sole reactant and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof {5}
405  DF  .~.~.~ Mixed with aldehyde or aldehyde derivative reactant or polymer therefrom {1}
406.~.~.~.~ Contains amine-, N-C(=X)-, or N-S(=O)- containing reactant (X is chalcogen)

DEFINITION

Classification: 525/406

Contains amine-, N, or N-containing reactant (X is chalcogen):

(under subclass 405) Subject matter which also contains an amine-, N, or N-S containing reactant (X is chalcogen).

(1) Note. The amine-, N, or N-S- containing reactant need not be added simultaneously with the aldehyde or aldehyde derivative reactant.