US PATENT SUBCLASS 208 / 287
.~.~.~ With solid carrier

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

177  DF  REFINING {23}
283  DF  .~ With alkali or alkali earth metal compound (except clays) {1}
284  DF  .~.~ Alkali metal compound {4}
287.~.~.~ With solid carrier

DEFINITION

Classification: 208/287

(under subclass 284) Processes wherein a solid on which the alkali metal compound is supported is employed.

(1) Note. The solid carriers may be clay, alumina, carbon, etc., and must remain in the solid state during the refining operation.