Patents by Inventor Ernest Cleugh

Ernest Cleugh 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).

  • Production process of optically pure 2-(4- hydroxyphenoxy)-propionic acid compounds
    Publication number: 20060270851
    Abstract: A process for producing optically pure R-hydroxyphenoxypropanoic acid or a salt or ester thereof by reaction of hydroquinone or a salt thereof with an S-halopropanoic acid or a salt thereof in the presence of a mild reducing agent.
    Type: Application
    Filed: August 16, 2004
    Publication date: November 30, 2006
    Inventor: Ernest Cleugh