Patents by Inventor Marc Connelly

Marc Connelly 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).

  • Radiation sensitive compositions comprising blends of an aliphatic novolak resin and an aromatic novolak resin
    Patent number: 5302490
    Abstract: The invention relates to radiation sensitive compositions having high uniformity when deposited as thick films. The compositions of the invention comprise a radiation sensitive component and a resin binder blend. The resin binder blend is a mixture of an aliphatic novolak resin component and an aromatic novolak resin component.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: April 12, 1994
    Assignee: Shipley Company Inc.
    Inventors: Theodore H. Fedynyshyn, Marc Connelly
  • Etchant
    Patent number: 4419183
    Abstract: An etchant, especially for copper, comprising sulfuric acid and hydrogen peroxide and characterized by the inclusion of a small amount of tungsten in an amount sufficient to increase the surface area of the etched metal.
    Type: Grant
    Filed: January 18, 1983
    Date of Patent: December 6, 1983
    Assignee: Shipley Company Inc.
    Inventors: Michael Gulla, Marc Connelly