US PATENT SUBCLASS 525 / 470
.~.~.~.~ Solid polymer derived from O-C(=O)-O- or hal-C(=O)- reactant and polyhydroxy reactant contains an atom other than C, H, O, or halogen bonded to a C(=O) group

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}
470.~.~.~.~ Solid polymer derived from O-C(=O)-O- or hal-C(=O)- reactant and polyhydroxy reactant contains an atom other than C, H, O, or halogen bonded to a C(=O) group

DEFINITION

Classification: 525/470

Solid polymer derived from -OO- or hal reactant and polyhydroxy reactant contains an atom other than C, H, O, or halogen bonded to a -C- group:

(under subclass 462) Subject matter wherein a solid polymer derived from -OO- or hal reactant and a polyhydroxy reactant is derived from a reactant containing an atom other than C, H, or O or other than a reactant containing a halogen atom wherein the halogen atoms are solely bonded to a carbonyl group, i.e.,.