Patents by Inventor Beth G. Wright

Beth G. Wright 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).

  • Electrically photosensitive materials and elements for photoelectrophoretic imaging processes
    Patent number: 4331751
    Abstract: Electrically photosensitive materials and elements comprising an electrically photosensitive polymeric compound of the structure: ##STR1## wherein: R.sub.1 and R.sub.3, which are the same or different, represent a substituted or unsubstituted alkyl group having from 1 to 18 carbon atoms or a substituted or unsubstituted aryl group;R.sub.2 and R.sub.4, which are the same or different, represent a substituted or unsubstituted alkylene group having from 1 to 10 carbon atoms or a substituted or unsubstituted arylene group;R.sub.5 and R.sub.6, which are the same or different, represent hydrogen or an electron withdrawing group;R.sub.7 and R.sub.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: May 25, 1982
    Assignee: Eastman Kodak Company
    Inventors: Henry V. Isaacson, Beth G. Wright, Hal E. Wright
  • Composite electrically photosensitive particles for electrophoretic migration imaging process
    Patent number: 4322487
    Abstract: The present invention provides novel composite electrically photosensitive particles. Each of said particle comprises a colorant and a polymeric binder comprising repeating units containing one or more structures selected from the classes consisting of triarylamines; p-aminotetraarylmethanes; 4,4'-bis(p-amino)triarylmethanes; 1,1-bis(p-aminoaryl)isobutanes; 1,1-bis(p-aminoaryl)cyclohexanes; N-alkyl-N,N-diarylamines; N,N-dialkyl-N-arylamines and heterocyclic nitrogen compounds having about 4 to 10 carbon atoms.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: March 30, 1982
    Assignee: Eastman Kodak Company
    Inventors: Stewart H. Merrill, Frederick A. Stahly, Ernest W. Turnblom, Beth G. Wright, Hal E. Wright