Patents by Inventor John E. Vandermey

John E. Vandermey 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).

  • Photoresist stripper rinse
    Patent number: 3988256
    Abstract: A process for removing a photoresist stripper from a substrate comprising rinsing the substrate with a composition comprising from about 65 to about 98.5 weight percent methylene chloride and from about 1.5 to about 35 weight percent of an alcohol selected from the group consisting of isopropanol, tertiary butanol and mixtures thereof.
    Type: Grant
    Filed: April 3, 1974
    Date of Patent: October 26, 1976
    Assignee: Allied Chemical Corporation
    Inventors: John E. Vandermey, Harold F. Jones, Harold T. Dill