US PATENT SUBCLASS 208 / 175
.~.~.~.~.~ Compact type

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}
165  DF  .~.~ Gravitating compact beds {7}
173  DF  .~.~.~ Solids transferring {1}
174  DF  .~.~.~.~ By pneumatic lifting {1}
175.~.~.~.~.~ Compact type

DEFINITION

Classification: 208/175

(under subclass 174) Processes wherein the solid particles are maintained in contact with each other, the solids being transferred as a compact mass, usually by means of a force applied counter to the upward direction of flow of the conveying current.