US PATENT SUBCLASS 208 / 235
.~.~.~.~ With regeneration of treating agent

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

177  DF  REFINING {23}
208 R  DF  .~ Sulfur removal (free or combined sulfur) {17}
226  DF  .~.~ With alkali or alkali earth metal compound (except clays) {4}
230  DF  .~.~.~ Alkali metal compound {2}
235.~.~.~.~ With regeneration of treating agent

DEFINITION

Classification: 208/235

(under subclass 230) Processes combined with the treatment of the alkali metal compound employed for desulfurization to restore it to the original condition or to condition for reuse.

SEE OR SEARCH CLASS

502, Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making, for a composition comprising a catalyst or sorbent, per se, and see especially

20+, for a process of regenerating a catalyst or sorbent.