Patents by Inventor Warren Proulx

Warren Proulx 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).

  • Color Film Developer Composition and Process Therefor
    Publication number: 20090233245
    Abstract: A method and composition for processing color film is described. The color film is processed by developing it using first and second compositions. The second composition is an aqueous composition including a buffer, an antioxidant, a preservative, a hydroxide and a developer selected from the group consisting of a hydroquinone and an ascorbic acid.
    Type: Application
    Filed: June 5, 2006
    Publication date: September 17, 2009
    Inventors: Robert Arthur Olson, Michael Anthony Zacharia, Warren Proulx