Patents by Inventor Diane L. Adams

Diane L. Adams 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).

  • Water-borne, alkali-developable, photoresist coating compositions and their preparation
    Patent number: 5045435
    Abstract: An aqueous photopolymer composition is produced by adding a monomer to a latex of a partially neutralized carboxylated acrylic copolymer, having an acid number greater than 80, along with photoinitator and components to produce an aqueous coatable and alkali developable photoresist composition. Preferred neutralization is 30-50% for dip-coating and 40-60% for screen-printing to produce 1 mil lines and 1 mil space after ultraviolet exposure and mild alkali development.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: September 3, 1991
    Assignee: Armstrong World Industries, Inc.
    Inventors: Diane L. Adams, Wendell A. Ehrhart, Donald Jones