US PATENT SUBCLASS 48 / 127.5
.~ Process including chemical reaction


Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

127.3  DF  METHANE (NATURAL GAS) -CONTAINING PRODUCT, OR TREATMENT OR RECOVERY PROCESS {1}
127.5.~ Process including chemical reaction {1}
127.7  DF  .~.~> Catalytic


DEFINITION

Classification: 48/127.5

Process including chemical reaction:

(under subclass 127.3) Process in which a compound included in the feedstock to the process is changed to another compound.

(1) Note. The resulting compound may be methane or the entire reaction may be concerned with a compound other than methane, for example, an impurity compound in a mainly-methane stream may be reacted to remove it or make it less objectionable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

198.3, for a process wherein an impurity is removed after chemical conversion of methane to a different gaseous composition.

SEE OR SEARCH CLASS

585, Chemistry of Hydrocarbon Compounds,

700+, for synthesis of methane as a relatively pure compound.