US PATENT SUBCLASS 502 / 514
PROCESS APPLICABLE EITHER TO PREPARING OR TO REGENERATING OR TO REHABILITATING CATALYST OR SORBENT

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

514PROCESS APPLICABLE EITHER TO PREPARING OR TO REGENERATING OR TO REHABILITATING CATALYST OR SORBENT

DEFINITION

Classification: 502/514

PROCESS APPLICABLE EITHER TO PREPARING OR TO REGENERATING OR TO REHABILITATING CATALYST OR SORBENT:

(under the class definition) Collection of art disclosing operations which are claimed or shown to be useful in the original production or in the restoration of a composition having a utility of this class.

(1) Note. A process of treating carbon with steam which is disclosed as activating it abinitio or as reactivating a spent carbon sorbent is classifiable here.