Process for producing a polyalkylene polyamine

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

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502353, 564480, C07C20900

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050736493

ABSTRACT:
A process for producing an alkylenamine, which comprises reacting ammonia and/or a polyalkylene polyamine with an alkanolamine to obtain an alkylenamine having an increased number of alkylene chains over the ammonia and/or the alkylenamine as starting material, wherein a catalyst having a niobium-containing substance supported on a carrier is used for the reaction.

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Barnes et al., "Ethylenediamine by Low-Pressure Ammonolysis of Monoethanolamine", Ind. Eng. Chem. Prod. Res. Dev., 1981, 20, pp. 399-407.
Patent Abstracts of Japan, vol. 11, No. 3 (C-395)[2450], 7th Jan. 1987; & JP-A-61 183 249 (Mitsui Toatsu Chem. Inc.) 15-08-1986 *Abstract*.

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