Patents by Inventor Donald Noel Hunter

Donald Noel Hunter 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).

  • Light-sensitive polymeric compounds
    Patent number: 4082556
    Abstract: Light sensitive cyanuric azide polycondensates find use in production of positive and negative photographic relief images.
    Type: Grant
    Filed: March 9, 1976
    Date of Patent: April 4, 1978
    Assignee: U.S. Philips Corporation
    Inventor: Donald Noel Hunter
  • Light-sensitive polymeric compounds
    Patent number: 3962241
    Abstract: Light sensitive cyanuric azide polycondensates which are capable of becoming insoluble in selected solvents upon exposure to light and which are useful in the preparation of photo-mechanical resist compositions.
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: June 8, 1976
    Assignee: U.S. Philips Corporation
    Inventor: Donald Noel Hunter