Patents by Inventor Bruno M. Vittimberga

Bruno M. Vittimberga 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).

  • Conversion of non-conducting polymers to conducting polymers
    Publication number: 20030034480
    Abstract: A polymer system comprised of a plurality of organic aryl molecules dissolved, mixed or blended into a polymer matrix to produce a polymer system. The polymer system is characterized in that subsequent to irradiation it becomes electrically conductive. The conductivity of the polymer system can be controlled by irradiating the polymer system with light at predetermined time intervals.
    Type: Application
    Filed: July 10, 2002
    Publication date: February 20, 2003
    Inventor: Bruno M. Vittimberga
  • 1-(4'-pyridyl)-4-pyridone, its derivatives and herbicidal use thereof
    Patent number: 4976774
    Abstract: Bipyridylium compounds of the formula: ##STR1## wherein R' has a value known for paraquat and other viologens have been found to have colorimetric and oxidation-reduction properties which make them variously useful as redox indicators, electrochromic display devices, biological mediating agents, and herbicides.
    Type: Grant
    Filed: August 2, 1988
    Date of Patent: December 11, 1990
    Assignee: The Board of Governors for Higher Education, State of Rhode Island and Providence Plantations
    Inventor: Bruno M. Vittimberga