Patents by Inventor M. Maria BIRAU

M. Maria BIRAU 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).

  • Five member ring stabilizers for quinacridone-type pigments in solid ink
    Patent number: 8449096
    Abstract: A synergist for pigment in a solid ink having the following formula:
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: May 28, 2013
    Assignee: Xerox Corporation
    Inventors: M. Maria Birau, C. Geoffrey Allen, Marcel P. Breton, Carol A. Jennings, Caroline M. Turek, James D. Mayo, Adela Goredema, Yvonne Wong
  • FIVE MEMBER RING STABILIZERS FOR QUINACRIDONE-TYPE PIGMENTS IN SOLID INK
    Publication number: 20120140001
    Abstract: A synergist for pigment in a solid ink having the following formula: where n is 1, 2, 3, or 4, X represents a metal, ammonium, or quaternary ammonium, R1, R2, and R3 independently represent H, C1-C20 alkyl, C1-C20 alkoxy, and halogen, A solid ink including the synergist having the above formula.
    Type: Application
    Filed: December 6, 2010
    Publication date: June 7, 2012
    Applicant: XEROX CORPORATION
    Inventors: M. Maria BIRAU, C. Geoffrey ALLEN, Marcel P. BRETON, Carol A. JENNINGS, Caroline M. TUREK, James D. MAYO, Raymond W. WONG, Yvonne WONG, Adela GOREDEMA