Patents Represented by Attorney D. C. Petre

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  • Method of using electrostatographic toner composition with surfactant
    Patent number: 4198477
    Abstract: A finely-divided toner composition comprising a thermoplastic vinyl resin and a surface active additive selected from the group consisting of fluorinated surfactants. The toner composition possesses controlled triboelectric charging properties while its other bulk properties remain unaffected. Developer compositions and electrostatographic imaging processes are also disclosed.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: April 15, 1980
    Assignee: Xerox Corporation
    Inventors: Meurig W. Williams, Christopher J. AuClair