US PATENT SUBCLASS 502 / 422
.~.~.~ Including diverting part of source to provide fuel for process

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

400  DF  SOLID SORBENT {6}
416  DF  .~ Free carbon containing {3}
418  DF  .~.~ Process utilizing solid or liquid source carbonizable material, or product thereof {9}
422.~.~.~ Including diverting part of source to provide fuel for process

DEFINITION

Classification: 502/422

Including diverting part of source to providing fuel for process:

(under subclass 418) Process in which the starting material is physically divided, one part being burned, thereby providing heat or treating agents used in converting the remainder of the material to the desired composition.

(1) Note. This subclass provides for a process in which fines are screened and burned to carbonize the layer of particles of starting material.