US PATENT SUBCLASS 208 / 234
.~.~.~.~.~ 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}
231  DF  .~.~.~.~ With added oxygen containing organic compound {2}
234.~.~.~.~.~ With regeneration of treating agent

DEFINITION

Classification: 208/234

(under subclass 231) Processes combined with the treatment of the alkali metal compound and/or oxygen organic compound employed for desulfurizing 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.