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US 4,049,572 AGranted
Catalyst and method of manufacture and use thereof
AssigneeUop LLC
InventorWalter M. Douglas
Life of this patent
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Abstract
A catalyst comprising a metal phthalocyanine composition of matter is prepared by reacting a 4-sulfophthalic acid with a metal salt, an ammonium donor and a phthalic anhydride or derivative thereof at 250 to 325 C for one-half to ten hours.
Claims13
A method of manufacturing a catalyst which comprises reacting a 4-sulfophthalic acid compound with a metal salt, an ammonium donor, and a compound selected from the group of benzene-1,2-dicarboxylic acid and derivatives thereof, in aqueous solution by heating to 250.degree. to 325.degree. C. for one-half to 10 hours.
Dependencies are inferred from the claim text.