Patents by Inventor Cécile Leprince

Cécile Leprince 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).

  • Oxidatively drying ink compositions
    Patent number: 9840632
    Abstract: The present invention relates to the field oxidative drying inks suitable for offset, letterpress and intaglio printing. In particular, it relates to oxidative drying inks for printing by an offset process, letterpress process or intaglio process on a non-porous substrate selected from the group consisting of polymer materials, composite materials, metals or metalized materials and combinations thereof, said oxidative drying ink comprising at least one oxidative drying varnish and one or more neutral manganese complex compounds.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: December 12, 2017
    Assignee: SICPA HOLDING SA
    Inventors: Anca Glassey, Cécile Leprince
  • Ink coatings for security documents to prevent forgery by means of heat sensitive erasable ink
    Patent number: 9540527
    Abstract: Disclosed is a solvent-borne or UV-curable fugitive ink composition for application to a substrate that is to be provided with indicia. The ink composition comprises at least one halochromic compound and at least one filler compound and is capable of preventing indicia formed with a heat sensitive erasable ink on an area of the substrate carrying the fugitive ink composition and thereafter subjected to a thermal treatment from becoming invisible to an unaided eye.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: January 10, 2017
    Assignee: SICPA HOLDING SA
    Inventors: Christophe Dumusois, Cécile Leprince, Dagmar Lukas
  • INK COATINGS FOR SECURITY DOCUMENTS TO PREVENT FORGERY BY MEANS OF HEAT SENSITIVE ERASABLE INK
    Publication number: 20150054274
    Abstract: Disclosed is a solvent-borne or UV-curable fugitive ink composition for application to a substrate that is to be provided with indicia. The ink composition comprises at least one halochromic compound and at least one filler compound and is capable of preventing indicia formed with a heat sensitive erasable ink on an area of the substrate carrying the fugitive ink composition and thereafter subjected to a thermal treatment from becoming invisible to an unaided eye.
    Type: Application
    Filed: September 11, 2012
    Publication date: February 26, 2015
    Applicant: SICPA HOLDING SA
    Inventors: Christophe Dumusois, Cécile Leprince, Dagmar Lukas