US PATENT SUBCLASS 502 / 35
.~.~ Using halogen containing substance including liquids vaporizable upon contacting spent catalyst or sorbent

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

20  DF  REGENERATING OR REHABILITATING CATALYST OR SORBENT {4}
34  DF  .~ Gas or vapor treating {5}
35.~.~ Using halogen containing substance including liquids vaporizable upon contacting spent catalyst or sorbent {2}
36  DF  .~.~.~> Fluorine containing
37  DF  .~.~.~> Simultaneously or subsequently adding free oxygen or use of oxyhalogen compound

DEFINITION

Classification: 502/35

Using halogen containing substance including liquids vaporizable upon contacting spent catalyst or sorbent:

(under subclass 34) Process in which the treating material includes a nonmetallic element of GP. VII, free or in a compound, in gaseous form or as a liquid vaporizable upon contacting the spent material being regenerated.

SEE OR SEARCH CLASS

208, Mineral Oils: Processes and Products, for a catalytic or sorbent process of that class which may include regeneration of the catalyst or sorbent and see especially

140,.