US PATENT SUBCLASS 502 / 72
.~.~ Mixed clays


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

60  DF  ZEOLITE OR CLAY, INCLUDING GALLIUM ANALOGS {13}
63  DF  .~ And additional AL or Si containing component {2}
72.~.~ Mixed clays


DEFINITION

Classification: 502/72

Mixed clays:

(under subclass 63) Composition containing different earthy

materials as encompassed by the glossary term "clay"

(1) Note. This subclass requires a deliberate admixture of clays and does not encompass a naturally occurring mixture of clays.