Patents by Inventor Roy W. N. EVERS

Roy W. N. EVERS 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: 11781026
    Abstract: An aqueous ink composition includes a film-forming retardation additive, which enhances the pigment efficiency in the ink composition. A method for making such an ink and a method of printing with such an ink are also disclosed.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: October 10, 2023
    Assignee: CANON PRODUCTION PRINTING HOLDING B.V.
    Inventors: Marcel A. P. W. E. Leppens, Roy W. N. Evers
  • Publication number: 20220135815
    Abstract: An aqueous ink composition includes a film-forming retardation additive, which enhances the pigment efficiency in the ink composition. A method for making such an ink and a method of printing with such an ink are also disclosed.
    Type: Application
    Filed: October 18, 2021
    Publication date: May 5, 2022
    Applicant: Canon Production Printing Holding B.V.
    Inventors: Marcel A.P.W.E. LEPPENS, Roy W.N. EVERS
  • Patent number: 10603940
    Abstract: The present invention relates to a pre-treatment liquid providing improved spreading property when printing an ink-jet image, as well as an ink-jet printing method comprising applying the pre-treatment liquid of the invention on a recording medium prior to printing an ink-jet image and a method of pre-treating a recording medium, comprising pre-treating a recording medium with the pre-treatment liquid of the invention. With the present pre-treatment liquid a combination an improved spreading of the ink on the pre-treated recording medium can be achieved.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 31, 2020
    Assignee: OCE-TECHNOLOGIES B.V.
    Inventors: Peter R. Markies, Jozef P. Moonen, Peter O. Colin, Roy W. N. Evers, Franciscus J. H. M. Van Den Beucken, Ke Peng
  • Patent number: 10391761
    Abstract: An inkjet printing assembly is configured for direct inkjet printing on a recording medium and for indirect inkjet printing via an intermediate medium. The inkjet printing assembly comprises a transport path for transporting a print medium. Further, a control unit is provided for selecting the print medium, wherein the print medium is may at least be a recording medium or an intermediate medium. An inkjet print station is provided and arranged along the transport path for providing droplets of a liquid on the print medium. A transfer station is provided and configured for transferring the droplets of the liquid from an intermediate medium to a recording medium. A recording medium output station is provided for receiving the printed recording medium.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: August 27, 2019
    Assignee: OCÉ HOLDING B.V.
    Inventors: Pim Du Buf, Ke Peng, Roy W. N. Evers, Daniël H. A. Driessen
  • Publication number: 20180222234
    Abstract: The present invention relates to a pre-treatment liquid providing improved spreading property when printing an ink-jet image, as well as an ink-jet printing method comprising applying the pre-treatment liquid of the invention on a recording medium prior to printing an ink-jet image and a method of pre-treating a recording medium, comprising pre-treating a recording medium with the pre-treatment liquid of the invention. With the present pre-treatment liquid a combination an improved spreading of the ink on the pre-treated recording medium can be achieved.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 9, 2018
    Applicant: Océ-Technologies B.V.
    Inventors: Peter R. MARKIES, Jozef P. MOONEN, Peter O. COLIN, Roy W.N. EVERS, Franciscus J.H.M. VAN DEN BEUCKEN, Ke PENG
  • Publication number: 20180147831
    Abstract: An inkjet printing assembly is configured for direct inkjet printing on a recording medium and for indirect inkjet printing via an intermediate medium. The inkjet printing assembly comprises a transport path for transporting a print medium. Further, a control unit is provided for selecting the print medium, wherein the print medium is may at least be a recording medium or an intermediate medium. An inkjet print station is provided and arranged along the transport path for providing droplets of a liquid on the print medium. A transfer station is provided and configured for transferring the droplets of the liquid from an intermediate medium to a recording medium. A recording medium output station is provided for receiving the printed recording medium.
    Type: Application
    Filed: November 20, 2017
    Publication date: May 31, 2018
    Applicant: Océ Holding B.V.
    Inventors: Pim DU BUF, Ke PENG, Roy W.N. EVERS, Daniël H.A. DRIESSEN
  • Patent number: 9950544
    Abstract: An ink-jet printing method includes printing an image with at least one ink on a recording medium, and applying a cover liquid on the image formed with the at least one ink within 1 s after printing the image with the at least one ink. An ink-jet printing apparatus includes at least one printing unit for printing an image with at least one ink on a recording medium, and an application unit for applying a cover liquid on the image formed with the at least one ink.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: April 24, 2018
    Assignee: OCE-TECHNOLOGIES B.V.
    Inventors: Roy W. N. Evers, Jozef P. Moonen, Peter R. Markies, Peter O. Colin, Franciscus J. H. M. Van Den Beucken, Ke Peng
  • Publication number: 20170106668
    Abstract: An ink-jet printing method includes printing an image with at least one ink on a recording medium, and applying a cover liquid on the image formed with the at least one ink within 1 s after printing the image with the at least one ink. An ink-jet printing apparatus includes at least one printing unit for printing an image with at least one ink on a recording medium, and an application unit for applying a cover liquid on the image formed with the at least one ink.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 20, 2017
    Applicant: OCÉ-TECHNOLOGIES B.V.
    Inventors: Roy W.N. EVERS, Jozef P. MOONEN, Peter R. MARKIES, Peter O. COLIN, Franciscus J.H.M. VAN DEN BEUCKEN, Ke PENG
  • Patent number: 9068091
    Abstract: Disclosed is a copolyester which is the reaction product of a mixture having from between 30 and 50 mol % of a first monomer being an isohexide; between 40 and 60 mol % of a second monomer being an aromatic dicarboxylic acid or a cycloaliphatic dicarboxylic acid; and between 1 and 20 mol % of a third monomer being an aliphatic diol, the copolyester having an acid number of between 10 and 50. Also disclosed is a process for preparing such copolyesters, a latex composition containing such a copolyester, a method for preparing such a latex composition and the use of a particular latex as an (ink-jet) ink.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: June 30, 2015
    Assignee: OCE TECHNOLOGIES B.V.
    Inventors: Ronald Hofstra, Roy W. N. Evers
  • Publication number: 20140011931
    Abstract: The present invention relates to a copolyester from between 30 and 50 mol % of a first monomer being an isohexide; between 40 and 60 mol % of a second monomer being an aromatic dicarboxylic acid or a cycloaliphatic dicarboxylic acid; and between 1 and 20 mol % of a third monomer being an aliphatic diol, the copolyester having an acid number of between 10 and 50. The invention also relates to a process for preparing such copolyesters, a latex composition comprising such a copolyester, a method for preparing such a latex composition and the use of a particular latex as an (ink-jet) ink.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 9, 2014
    Applicant: OCE-TECHNOLOGIES B.V.
    Inventors: Ronald HOFSTRA, Roy W. N. EVERS