Patents Represented by Attorney Sandra B. Beccarelli

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  • Process for removing ink from printed substrate
    Patent number: 8246754
    Abstract: A process for removing ink from a printed media substrate. Such process includes the step of providing a media substrate including an ink printed image wherein the ink composition or the media substrate contains photolabile entities. Then the process includes the step of applying UV light on the printed substrate wherein the emitted UV light has a wavelength value which is below the threshold wavelength of the photolabile entities.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: August 21, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Krzysztof Nauka, Sivapackia Ganapathiappan, Manoj K. Bhattacharyya
  • Phthalocyanine dye and ink containing the same
    Patent number: 8226757
    Abstract: Phthalocyanine dyes represented by the general structures (I) to (IV) and inkjet ink formulation including the phthalocyanine dyes.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: July 24, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sivapackia Ganapathiappan, Jayprakash C. Bhatt