US PATENT SUBCLASS 423 / 712
.~ Synthesized from naturally occurring product


Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

700  DF  ZEOLITE {7}
712.~ Synthesized from naturally occurring product


DEFINITION

Classification: 423/712

Synthesized from naturally occurring product:

(under subclass 700) Processes wherein the zeolite is grown from materials that were not artificially produced or synthesized.