US PATENT SUBCLASS 525 / 146
.~.~.~.~ With a -O-C(=O)-O-, -O-C(=O)-hal or hal-C(=O)-hal group-containing reactant or polymer thereof

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}
55  DF  .~.~ At least one solid polymer derived from ethylenic reactants only {25}
132  DF  .~.~.~ With saturated phenolic reactant or polymer thereof; or with solid copolymer derived from at least one phenolic reactant wherein at least one of the reactants forming the solid copolymer is saturated; or with SPFI wherein at least one of the necessary ingredients is a phenolic reactant or with a reaction product thereof; or with a SICP containing a phenolic group Si-H or Si-C bond {8}
146.~.~.~.~ With a -O-C(=O)-O-, -O-C(=O)-hal or hal-C(=O)-hal group-containing reactant or polymer thereof {2}
147  DF  .~.~.~.~.~> Two or more diverse phenolic reactants; or phenolic reactant contains an atom other than C, H, or O
148  DF  .~.~.~.~.~> Solid polymer derived from ethylenic reactants only is derived from a reactant containing a carboxylic acid or derivative thereof

DEFINITION

Classification: 525/146

With a -OO- or halhal group-containing reactant or polymer thereof:

(under subclass 132) Subject matter wherein the solid polymerized ethylenic reactant is contacted with a reactant containing a carbonate (-OO-), halocarbonate (-OCl) group or carbonyl halide (halhal) or polymers thereof.