US PATENT SUBCLASS 525 / 339
.~.~.~.~ Treating in the presence of an elemental metal or inorganic metallic compound


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}
338  DF  .~.~.~ Chemical treating agent contains elemental hydrogen or an elemental hydrogen-liberating compound, e.g., hydrogenation, etc. {1}
339.~.~.~.~ Treating in the presence of an elemental metal or inorganic metallic compound


DEFINITION

Classification: 525/339

Treating in the presence of an elemental metal or inorganic metallic compound:

(under subclass 338) Subject matter wherein the chemical treating performed in the presence of an elemental metal or in the presence of an inorganic metal-containing compound.