US PATENT SUBCLASS 524 / 603
.~.~.~.~.~ Reactant contains atom other than C, H, or O

Current as of: June, 1999
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524 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
599  DF  .~.~.~ From carboxylic acid or derivative reactant {3}
601  DF  .~.~.~.~ From dicarboxylic acid or derivative and at least one polyol; or from a diester of a polycarboxylic acid as sole reactant {3}
603.~.~.~.~.~ Reactant contains atom other than C, H, or O

DEFINITION

Classification: 524/603

Reactant contains atom other than C, H, or O:

(under subclass 601) Subject matter wherein at least one of the reactants forming the solid polymer contains an atom other than carbon, hydrogen, or oxygen.

(1) Note. The reactant containing an atom other than carbon, hydrogen, or oxygen may be a third reactant which is not a carboxylic acid or derivative reactant or the polyol containing reactant.