US PATENT SUBCLASS 502 / 151
.~.~ Method of making including comminuting of solid material (e.g., grinding, crushing, etc.)

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

100  DF  CATALYST OR PRECURSOR THEREFOR {12}
150  DF  .~ Organic compound containing {13}
151.~.~ Method of making including comminuting of solid material (e.g., grinding, crushing, etc.)

DEFINITION

Classification: 502/151

Method of making including comminuting of solid material (e.g., grinding, crushing, etc.):

(under subclass 150) Process wherein solid starting material or product is reduced in size by physical means.

(1) Note. When a reaction or mixing process involving a solid starting material or producing a solid product is carried out in a device wherein the starting material or product is impacted by solid media, e.g., ball or rod mill etc., it will be conclusively presumed that comminution takes place and the patent placed in this subclass.