US PATENT SUBCLASS 252 / 373
.~ Carbon-oxide and hydrogen containing


Current as of: June, 1999
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252 /   HD   COMPOSITIONS

372  DF  GASEOUS COMPOSITIONS {2}
373.~ Carbon-oxide and hydrogen containing


DEFINITION

Classification: 252/373

(under subclass 372) Compositions which contain significant amounts of both carbon monoxide, or carbon-dioxide, and hydrogen, or processes of making such compositions.

SEE OR SEARCH CLASS

48, Gas: Heating and Illuminating, especially

198.1, for process claims deriving the gaseous mixture from a hydrocarbon gas, and no product claim is present.

518, Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof, for processes of reacting carbon oxides with hydrogen and the products thereof.