US PATENT SUBCLASS 525 / 383
.~.~.~ Chemical treating agent contains elemental oxygen or oxygen-containing 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}
383.~.~.~ Chemical treating agent contains elemental oxygen or oxygen-containing compound {5}
384  DF  .~.~.~.~> Oxygen compound contains at least one alcohol group
385  DF  .~.~.~.~> Oxygen compound contains an ether group
386  DF  .~.~.~.~> Oxygen compound is a carboxylic acid, ester, anhydride, or lactone thereof
387  DF  .~.~.~.~> Oxygen compound contains a peroxy group (-O-O-)
388  DF  .~.~.~.~> Specified oxygen-containing compound is air, elemental oxygen, or ozone


DEFINITION

Classification: 525/383

Chemical treating agent contains elemental oxygen or oxygen-containing compound:

(under subclass 55) Subject matter wherein the chemical treating is performed in the presence of oxygen or in the presence of an oxygen containing compound.