US PATENT SUBCLASS 208 / 426
.~ Including agglomeration, comminution or size-classification of solids

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}
426.~ Including agglomeration, comminution or size-classification of solids

DEFINITION

Classification: 208/426

Including agglomeration, comminution or size-classification of solids:

(under subclass 400) Subject matter wherein a step segregates solids in the stream into different locations, based upon difference in size, causes solid particles to join to provide larger-size particles, or breaks particles into smaller-size particles.

(1) Note. The step may take place before, during or after the chemical or physical processing of the solid feedstock.