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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39/00
Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
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C01B39/02
Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
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C01B39/44
Ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38
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C01B39/44

Synthesis of finned zeolite crystals
12434974 · 2025-10-07 · ·

A secondary growth procedure described herein is used to prepare finned zeolites. The finned zeolites possess properties that are distinctly unique compared to crystals of similar size lacking fins. The procedure is amenable to a wide range of zeolite crystal structures.

SYNTHESIS OF FINNED ZEOLITE CRYSTALS
20260028236 · 2026-01-29 · ·

A secondary growth procedure described herein is used to prepare finned zeolites. The finned zeolites possess properties that are distinctly unique compared to crystals of similar size lacking fins. The procedure is amenable to a wide range of zeolite crystal structures.

ZEOLITE SHAPED BODIES
20260042079 · 2026-02-12 · ·

Zeolite-containing shaped bodies that remove potassium from a dialysis effluent with less dissolution of aluminum compared to the conventional treatment of dialysis effluent using a zeolite, and a method of adsorbing potassium using the shaped bodies.