Patents by Inventor Willem Eveleens

Willem Eveleens has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the preparation of optically active 2-phenoxy propionic acids and herbicidal preparations containing such acids
    Patent number: 4310689
    Abstract: A process is provided for making D-2-phenoxy propionic acid by condensing in water an alkali metal salt of 2-chloropropionic acid which is dextro-rotatory in water with an alkali metal phenoxide of a halogen or methyl substituted phenol. The overall amount of water in the condensation mixture is not more than about 8 moles water per mole of said alkali metal salt of 2-chloropropionic acid in order to selectively produce the dextro-rotatory optical isomer.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: January 12, 1982
    Assignee: Akzo N.V.
    Inventors: Willem Eveleens, Johannes Spaans, Hendrik G. Wissink