Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1990-12-20
1993-07-27
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564480, C07C20914
Patent
active
052312291
ABSTRACT:
A catalyst for making polyalkylenepolyamines by the reaction of a monoalkanolamine with an alkyleneamine which contains phosphorus and fluorine on a metal oxide support, the metal being selected from Groups IIIA, IIIB, IVB and VB of the periodic chart. The surface of a support, e.g. titania, is impregnated with at least one compound which contains fluorine and one which contains phosphorus. The same compound can contain both elements, e.g. a fluorophosphoric acid, or two or more compounds, which together contain the required elements, can be employed.
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Melton Lester L.
Webster Stephen J.
Raymond Richard L.
The Dow Chemical Company
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