Patents Represented by Attorney Joseph R. Synder

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  • Method for preparation of herbicide intermediates
    Patent number: 5648525
    Abstract: A method for the preparation of 2-(substituted)-4-methylsulfonylbenzoic acid by reacting a 2-(substituted)-4-nitrobenzoic acid with sodium methyl sulfinate.
    Type: Grant
    Filed: November 2, 1995
    Date of Patent: July 15, 1997
    Assignee: Zeneca Limited
    Inventor: Peter K. Wehrenberg