Patents Represented by Attorney Gary R. Plotecher

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  • Process for production of cyclopropylcyanide
    Patent number: 3974199
    Abstract: Cyclopropylcyanide is prepared by an improved process comprising reacting by contacting a .gamma.-halo-butyronitrile or mixture thereof, with an alkali metal hydroxide in the presence of a catalytic amount of an onium salt. For example, the reaction of 4-chlorobutyronitrile with sodium hydroxide in the presence of benzyltriethylammonium chloride produces cyclopropylcyanide in high yield.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: August 10, 1976
    Assignee: The Dow Chemical Company
    Inventors: James H. Plonka, R. Garth Pews