Patents by Inventor Ivan A. Wolff

Ivan A. Wolff 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).

  • 2-formyl-2-halomalonates and compound derived therefrom
    Patent number: 4600781
    Abstract: The invention relates to 2-formyl-2-halomalonates, and their preparation. The compounds are useful in the preparation of their acetals and also in the preparation of 2-(dicarbethoxymethylene)thiazolidine-4-carboxylic acid.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: July 15, 1986
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: Ivan A. Wolff