Patent classifications
C
CHEMISTRY; METALLURGY
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C01
INORGANIC CHEMISTRY
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C01B
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF;; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
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C01B33/36
having base-exchange properties but not having molecular sieve properties
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C01B33/38
Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
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