CA2446786A1 - Photosensitive optically variable heterogeneous ink compositions for inkjet printing - Google Patents

Photosensitive optically variable heterogeneous ink compositions for inkjet printing Download PDF

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Publication number
CA2446786A1
CA2446786A1 CA002446786A CA2446786A CA2446786A1 CA 2446786 A1 CA2446786 A1 CA 2446786A1 CA 002446786 A CA002446786 A CA 002446786A CA 2446786 A CA2446786 A CA 2446786A CA 2446786 A1 CA2446786 A1 CA 2446786A1
Authority
CA
Canada
Prior art keywords
image
optically variable
ink compositions
inkjet printing
ink
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002446786A
Other languages
French (fr)
Other versions
CA2446786C (en
Inventor
Judith D. Auslander
Richard A. Bernard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc.
Judith D. Auslander
Richard A. Bernard
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pitney Bowes Inc., Judith D. Auslander, Richard A. Bernard filed Critical Pitney Bowes Inc.
Publication of CA2446786A1 publication Critical patent/CA2446786A1/en
Application granted granted Critical
Publication of CA2446786C publication Critical patent/CA2446786C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/50Sympathetic, colour changing or similar inks

Abstract

Ink compositions described are suitable for ink jet printing (ink jet inks) and are highly effective for simultaneously imparting visible and fluorescent images.
Figure 3 is a schematic illustration of a system for scanning an optically variable image comprised of the ink of the invention printed on a substrate. A POV
security marking is shown generally at (402). A forensic verifier (400) for authenticating the security marking which includes two light sources and two image memories for the image under each illumination source. The first light source is represented by (400) and the second is represented by (406). The number (408) is a switch mechanism that alternates the light sources. (412) is the reflected image scanner and the image is stored at (414). The fluorescent image scanner is (410). The forensic verifier uses an image correlator (418) to compare the images of the indicium saved in memory at (414) and (416).
CA002446786A 2001-05-10 2002-05-07 Photosensitive optically variable heterogeneous ink compositions for inkjet printing Expired - Fee Related CA2446786C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US29011701P 2001-05-10 2001-05-10
US60/290,117 2001-05-10
US10/119,885 2002-04-10
US10/119,885 US6827769B2 (en) 2001-05-10 2002-04-10 Photosensitive optically variable ink heterogeneous compositions for ink jet printing
PCT/US2002/014359 WO2002092706A1 (en) 2001-05-10 2002-05-07 Photosensitive optically variable ink heterogeneous compositions for ink jet printing

Publications (2)

Publication Number Publication Date
CA2446786A1 true CA2446786A1 (en) 2002-11-21
CA2446786C CA2446786C (en) 2009-07-14

Family

ID=26817822

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002446786A Expired - Fee Related CA2446786C (en) 2001-05-10 2002-05-07 Photosensitive optically variable heterogeneous ink compositions for inkjet printing

Country Status (7)

Country Link
US (1) US6827769B2 (en)
EP (1) EP1401970B1 (en)
JP (1) JP2005513171A (en)
CN (1) CN1333021C (en)
CA (1) CA2446786C (en)
DE (1) DE60213244T2 (en)
WO (1) WO2002092706A1 (en)

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Also Published As

Publication number Publication date
US20030041774A1 (en) 2003-03-06
CA2446786C (en) 2009-07-14
DE60213244D1 (en) 2006-08-31
US6827769B2 (en) 2004-12-07
EP1401970A4 (en) 2004-11-17
EP1401970B1 (en) 2006-07-19
JP2005513171A (en) 2005-05-12
WO2002092706A1 (en) 2002-11-21
DE60213244T2 (en) 2007-06-14
EP1401970A1 (en) 2004-03-31
CN1333021C (en) 2007-08-22
CN1608114A (en) 2005-04-20

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Effective date: 20130507