Patents by Inventor Nathan Pritikin

Nathan Pritikin 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).

  • Solid photoresist and method of making photoresist
    Patent number: 4447519
    Abstract: A process for making printed circuit boards and the like including laminating a layer of a solid nonsensitized photoresist material onto a substrate producing a product suitable for indefinite storage under any light condition. A process including the further steps of sensitizing the solid photoresist material by wetting with a liquid sensitizer, drying the sensitized photoresist material, and then following the conventional exposure, developing and etching steps.
    Type: Grant
    Filed: June 29, 1983
    Date of Patent: May 8, 1984
    Inventor: Nathan Pritikin