Patents by Inventor James Platt Munroe

James Platt Munroe 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: 6224252
    Abstract: The present invention is an apparatus and process for blending high purity chemicals to produce a high purity chemical mixture with circulation, purification and sensing of said chemical mixture between blending of said high purity chemicals and storage of said high purity chemicals for use, ultimately to produce a high purity chemical mixture for on-site use in treating semiconductor materials, such as at a semiconductor fabrication facility that processes silicon wafers.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 1, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: James Platt Munroe, Richard Linton Samsal, Bruce Herman Greenawald