US PATENT SUBCLASS 502 / 12
.~ For regenerating or rehabilitating 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

11  DF  INCLUDING ION EXCHANGING, EXCEPT ZEOLITES OR PRODUCT THEREOF {1}
12.~ For regenerating or rehabilitating catalyst or sorbent

DEFINITION

Classification: 502/12

For regenerating or rehabilitating catalyst or sorbent:

(under subclass 11) Process, of treating a composition which has been in use, to restore it to a state of intended function.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, for processes of regenerating catalysts or adsorbents by drying only.

201, Distillation: Processes, Thermolytic, appropriate subclasses for a process of carbonizing by thermolytic distillation.

202, Distillation: Apparatus, for apparatus for making or reactivating bone black and other carbonaceous adsorbents by destructive distillation.

208, Mineral Oils: Processes and Products, for processes of converting or refining mineral oils which also includes the steps of reactivating the catalyst or adsorbent used in the process.