Patents by Inventor Antoon Wildschut

Antoon Wildschut 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).

  • Patent number: 3933903
    Abstract: A process is disclosed for effectively producing a cycloalkylalkane carboxylic acid by reacting a cyclic ketone or a cyclic alcohol with a molten alkali metal hydroxide using a two step temperature treatment during the reaction wherein the first step temperature ranges from 200.degree. to 270.degree.C and the second step temperature ranges from 290.degree. to 350.degree.C. The alkali metal soap is then converted to the free acid. The process is especially directed to the manufacture of cyclopentylpropionic acid.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: January 20, 1976
    Assignee: Akzo N.V.
    Inventors: Reginoldus Havinga, Antoon Wildschut