US PATENT SUBCLASS 525 / 469
.~.~.~.~ Solid polymer derived from O-C(=O)-O- or hal-C(=O)- and polyhydroxy reactant derived from at least two polyhydroxy reactants

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}
461  DF  .~.~ Solid polymer derived from O-C(=O)-O- or hal-C(=O)-containing reactant {1}
462  DF  .~.~.~ Solid polymer derived from O-C(=O)-O- or hal-C(=O)-containing reactant and polyhydroxy reactant {8}
469.~.~.~.~ Solid polymer derived from O-C(=O)-O- or hal-C(=O)- and polyhydroxy reactant derived from at least two polyhydroxy reactants

DEFINITION

Classification: 525/469

Solid polymer derived from -OO- or hal and polyhydroxy reactant derived from at least two polyhydroxy reactants:

(under subclass 462) Subject matter wherein a solid polymer derived from -OO- or hal reactant and polyhydroxy reactant is derived from at least two polyhydroxy reactants.