US PATENT SUBCLASS 525 / 513
.~.~.~.~ With sulfur-containing reactant or polymer therefrom

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}
509  DF  .~.~ Solid polymer or SICP derived from at least one amine-, N-C(=X)- or N-S(=O) containing reactant and at least one aldehyde or aldehyde-type reactant (X is chalcogen) {5}
510  DF  .~.~.~ Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom {4}
513.~.~.~.~ With sulfur-containing reactant or polymer therefrom

DEFINITION

Classification: 525/513

With sulfur-containing reactant or polymer therefrom:

(under subclass 510) Subject matter which also contains a sulfur-containing reactant or polymer derived therefrom.

(1) Note. In this subclass, the sulfur-containing reactant or polymer derived therefrom must be an ingredient separate and distinct from the two required ingredients, i.e., the aminoplast or the 1,2-epoxy material.