US PATENT SUBCLASS 208 / 427
.~ Including burning of feed or product


Current as of: June, 1999
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208 /   HD   MINERAL OILS: PROCESSES AND PRODUCTS

400  DF  BY TREATMENT OF SOLID MINERAL, E.G., COAL LIQUEFACTION, ETC. {13}
427.~ Including burning of feed or product


DEFINITION

Classification: 208/427

Including burning of feed or product:

(under subclass 400) Subject matter in which the solid feed or a portion thereof, or a portion of the product, is combusted with oxygen or oxygen-containing material for any purpose.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

428, for a process of cooling solids by mere contact with a gas, that is, a quenching process, per se.

166, Wells,

256+, for a method of underground combustion of carbonaceous materials.

299, Mining or In Situ Disintegration of Hard Material,

3+, for a method of in situ conversion of a solid material to a fluid. 518, Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof, appropriate subclass for a generalized hydrogenative conversion of a carbon oxide to a hydrocarbon mixture.