US PATENT SUBCLASS 502 / 428
.~.~.~ Including pelletizing or briquetting and subsequently comminuting

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}
428.~.~.~ Including pelletizing or briquetting and subsequently comminuting {1}
429  DF  .~.~.~.~> Using carbonaceous binder

DEFINITION

Classification: 502/428

Including pelletizing or briquetting and subsequently comminuting:

(under subclass 418) Process in which a material of indefinite or mixed size or shape is molded or agglomerated into shaped pieces by compression or a similar operation and the pieces then subdivided.

(1) Note. A step or operation such as charring may be performed between the pelletizing and the comminuting or the comminuting may immediately follow the pelletizing.