Nl Industries

Hsien-Dao Chang

Alan C Wright

Catalysts of wide utility, e.g., for hydrocarbon conversion, are prepared by calcining at 500.degree.C. to 800.degree.C. a septechlorite precursor prepared by hydrothermal synthesis, and which may be characterized as a charge-balanced 1:1 trioctahedral phyllosilicate in which the divalent metal ions may be nickel, magnesium, cobalt, iron, copper, manganese, zinc, or mixtures thereof, and the trivalent metal ions may be aluminum, chromium, iron, or mixtures thereof, in relative proportions as set forth in the specification and claims.

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Houston, TX, United States of America

Hsien-Dao Chang