US PATENT SUBCLASS 208 / 149
.~.~ Solids of dissimilar composition

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

46  DF  CHEMICAL CONVERSION OF HYDROCARBONS {11}
146  DF  .~ Solids contacting and mixing {8}
149.~.~ Solids of dissimilar composition

DEFINITION

Classification: 208/149

(under subclass 146) Processes wherein fluid is contacted with a mixture of different types of solids in the same zone.

(1) Note. Processes classified herein involve the contact of a fluid with a mixture of a catalyst and heat carrier solids (both unnamed).