Patents by Inventor Harry Joseph Evers

Harry Joseph Evers 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).

  • Method for improving photoimage quality
    Patent number: 5912106
    Abstract: The instant invention pertains to a method of improving the quality and resolution of photoimages by incorporating into the photocurable resin composition to be used a selected amount of a polymerization inhibitor so that photopolymerization of the photocurable resin is inhibited in those areas not directly impinged by light.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: June 15, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Chia-Hu Chang, Andrew Mar, Thai Hong Nguyen, Harry Joseph Evers, Hugh Stephen Laver