US PATENT SUBCLASS 48 / 127.3-- METHANE (NATURAL GAS) -CONTAINING PRODUCT, OR TREATMENT OR RECOVERY PROCESS

US PATENT SUBCLASS 48 / 127.3
METHANE (NATURAL GAS) -CONTAINING PRODUCT, OR TREATMENT OR RECOVERY PROCESS

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

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

DEFINITION

Classification: 48/127.3

METHANE (NATURAL GAS)-CONTAINING PRODUCT, OR TREATMENT OR RECOVERY PROCESS:

(under the class definition) Subject matter in which a gaseous product composition containing methane is claimed or in which a process is claimed which results in such a product.

SEE OR SEARCH THIS CLASS, SUBCLASS:

197, for a combustible gas product composition other than one containing methane.

SEE OR SEARCH CLASS

252, Compositions,

372+, for a gaseous composition in general or a method for manufacturing it.

585, Chemistry of Hydrocarbon Compounds,

6, for mixture of gases containing only hydrocarbons.