Patents by Inventor Joseph Edmund Babiarz

Joseph Edmund Babiarz 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).

  • Ultraviolet light absorbers
    Patent number: 7244776
    Abstract: The present invention relates to novel ultraviolet light absorbers of the benzoxazinone, oxanilide, benzylidene malonate, quinazoline and benzotriazole classes. The invention also relates to polymer and photographic compositions stabilized against the deleterious effects of light induced degradation which comprise the novel ultraviolet light absorbers.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: July 17, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Ramanathan Ravichandran, Stephen Daniel Pastor, Deborah Judd, Joseph Edmund Babiarz, Andrew Brian Naughton, Mervin Gale Wood, Anthony David Debellis, Rong Xiong, Robert Edward Detlefsen, Joseph Suhadolnik
  • Ultraviolet light absorbers
    Patent number: 7173128
    Abstract: The present invention relates to novel ultraviolet light absorbers of the benzoxazinone, oxanilide, benzylidene malonate, quinazoline and benzotriazole classes. The invention also relates to polymer and photographic compositions stabilized against the deleterious effects of light induced degradation which comprise the novel ultraviolet light absorbers.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: February 6, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Ramanathan Ravichandran, Stephen Daniel Pastor, Deborah Judd, Joseph Edmund Babiarz, Andrew Brian Naughton, Mervin Gale Wood, Anthony David Debellis, Rong Xiong, Robert Edward Detlefsen, Joseph Suhadolnik