Patents Represented by Attorney A. A. Meyer, Jr.

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  • Promoters for hydrogenation of aromatic amines
    Patent number: 5214212
    Abstract: A process for increasing the rate of catalytic hydrogenation of aromatic amines by reacting aromatic amines with hydrogen in the presence of a noble metal catalyst, an organic solvent or a mixture of solvents, and at least one salt of a transition or lanthanide metal as a promoter, in an effective amount to increase the rate of the hydrogenation reaction, decrease the induction period, and decrease the amount of higher boiler by-products.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: May 25, 1993
    Assignee: Olin Corporation
    Inventor: Peter J. Whitman