US PATENT SUBCLASS 502 / 21
.~ Including segregation of diverse particles


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

20  DF  REGENERATING OR REHABILITATING CATALYST OR SORBENT {4}
21.~ Including segregation of diverse particles


DEFINITION

Classification: 502/21

Including segregation of diverse particles:

(under subclass 20) Process wherein components of the catalyst or sorbent are separated on the basis of specific gravity, density, size, shape, or other property of differing discrete small bodies of the composition.

(1) Note. This subclass includes abrasion with segregation of the catalyst or sorbent from abraded particles. It also includes segregation of catalyst and foreign particles such as dust.

(2) Note. Flotation separation is an example of a process classifiable here.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids, for methods of segregation of particles of general utility.