Patents by Inventor James A. Photis

James A. Photis 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).

  • Photopolymerizable benzoyl benzoate compositions
    Patent number: 4080275
    Abstract: A photopolymerizable composition comprising photopolymerizable ethylenically unsaturated compounds and, as the photoinitiator, a benzoyl benzoate having the formula: ##STR1## wherein X is OR, NHR or NRR; R is an independently selected hydrocarbon of 1 to 30 carbon atoms, alkoxysubstituted alkyl of 2 to 12 carbon atoms or aminosubstituted alkyl of 2 to 12 carbon atoms; R' is an independently selected halogen or X; and n and m are independently selected integers from 0 to 3.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: March 21, 1978
    Assignee: Stauffer Chemical Company
    Inventors: James A. Photis, Francis A. Via