US PATENT SUBCLASS 525 / 295
.~.~.~.~.~ Nitrogen atom is part of a nitrile group and is other than (meth)acrylonitrile


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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}
242  DF  .~.~.~ Polymer derived from ethylenic reactants only mixed with ethylenic reactant {21}
293  DF  .~.~.~.~ Ethylenic material contains a nitrogen atom and is other than (meth)acrylonitrile {3}
295.~.~.~.~.~ Nitrogen atom is part of a nitrile group and is other than (meth)acrylonitrile


DEFINITION

Classification: 525/295

Nitrogen atom is part of a nitrile group and is other than acrylonitrile or (meth)acrylonitrile:

(under subclass 293) Subject matter wherein the nitrogen atom is part of a nitrile group and is other than (meth)acrylonitrile (e.g., vinylidene cyanide, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

242, for a solid polymer derived from methacrylonitrile or acrylonitrile.