Patents by Inventor Yvan Gagnon

Yvan Gagnon 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).

  • Patent number: 5837043
    Abstract: An imaging process which comprises the development of an image with an aqueous ink jet ink composition comprised of pigment, water, and an alcohol surfactant comprised of a mixture of linear secondary alcohols, and which mixture has been reacted with ethylene oxide.
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: November 17, 1998
    Assignee: Xerox Corporation
    Inventors: Raymond W. Wong, Marcel P. Breton, Yvan Gagnon
  • Patent number: 5714270
    Abstract: Disclosed is a recording sheet which comprises (a) a substrate comprising a first paper ply, a second paper ply, and, situated between the first and second plies, a hydrophobic adhesive layer; (b) an image receiving coating situated on at least one surface of the substrate, said image receiving coating being suitable for receiving images of an aqueous ink and suitable for receiving images of an electrostatic toner composition, said coating comprising (1) a polymeric binder, (2) a dye fixative, and (3) an optional pigment.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: February 3, 1998
    Assignee: Xerox Corporation
    Inventors: Shadi L. Malhotra, Brent S. Bryant, Yvan Gagnon, Arthur Y. Jones
  • Patent number: 5709737
    Abstract: Disclosed is an ink composition which comprises an aqueous liquid vehicle, a colorant, and an additive material selected from the group consisting of (a) symmetric acetylenic bisester alcohols, (b) symmetric acetylenic bisalkyl alcohols and acetylenic bisalkoxy alcohols, (c) symmetric acetylenic bisamido alcohols, (d) symmetric bisamido alcohols, (e) mono amido alcohols, (f) trialkylhydroxy compounds, (g) derivatives of 1,2-diols and 1,3-diols, (h) thio diols, (i) aromatic diols, (j) heterocyclic diols, (k) imino alcohols, (l) salts of hydroxyl compounds, (m) saccharides and saccharide derivatives, and (n) mixtures thereof. Also disclosed is an ink jet process which comprises (1) incorporating into a thermal ink jet printing apparatus the aforementioned ink composition; and (2) causing droplets of the ink to be ejected from the printing apparatus in an imagewise pattern onto a substrate, thereby generating images on the substrate.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: January 20, 1998
    Assignee: Xerox Corporation
    Inventors: Shadi L. Malhotra, Kirit N. Naik, David N. MacKinnon, James D. Mayo, Yvan Gagnon, H. Bruce Goodbrand
  • Patent number: 5643357
    Abstract: Disclosed is an ink composition which comprises water, an oil-soluble or alcohol-soluble dye, and a surfactant, said ink exhibiting a liquid microemulsion phase at a first temperature and, at a second temperature higher than the first temperature, separating into a mixture of an aqueous liquid phase and a liquid crystalline gel phase.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: July 1, 1997
    Assignee: Xerox Corporation
    Inventors: Marcel P. Breton, Raymond W. Wong, William M. Schwarz, Yvan Gagnon, Stig E. Friberg