AU4176696A - Imprint sheets of a self-copy set - Google Patents

Imprint sheets of a self-copy set

Info

Publication number
AU4176696A
AU4176696A AU41766/96A AU4176696A AU4176696A AU 4176696 A AU4176696 A AU 4176696A AU 41766/96 A AU41766/96 A AU 41766/96A AU 4176696 A AU4176696 A AU 4176696A AU 4176696 A AU4176696 A AU 4176696A
Authority
AU
Australia
Prior art keywords
imprint
sheets
self
copy set
copy
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
AU41766/96A
Other versions
AU690783B2 (en
Inventor
Wolfram Friesen
Gunter Gabel
Michael Hirt
Reiner Muller
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.)
Stora Publication Paper AG
Original Assignee
Stora Feldmuehle AG
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 Stora Feldmuehle AG filed Critical Stora Feldmuehle AG
Publication of AU4176696A publication Critical patent/AU4176696A/en
Application granted granted Critical
Publication of AU690783B2 publication Critical patent/AU690783B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/142—Security printing using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
AU41766/96A 1994-12-08 1995-11-29 Imprint sheets of a self-copy set Ceased AU690783B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4443660A DE4443660C1 (en) 1994-12-08 1994-12-08 Copy sheet of a carbon copy
DE4443660 1994-12-08
PCT/EP1995/004685 WO1996017729A1 (en) 1994-12-08 1995-11-29 Imprint sheets of a self-copy set

Publications (2)

Publication Number Publication Date
AU4176696A true AU4176696A (en) 1996-06-26
AU690783B2 AU690783B2 (en) 1998-04-30

Family

ID=6535238

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41766/96A Ceased AU690783B2 (en) 1994-12-08 1995-11-29 Imprint sheets of a self-copy set

Country Status (9)

Country Link
EP (1) EP0796173B1 (en)
AU (1) AU690783B2 (en)
CZ (1) CZ173997A3 (en)
DE (2) DE4443660C1 (en)
ES (1) ES2128108T3 (en)
IL (1) IL116181A0 (en)
PL (1) PL320633A1 (en)
WO (1) WO1996017729A1 (en)
ZA (1) ZA9510065B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3058339B1 (en) 2013-10-07 2019-05-22 APDN (B.V.I.) Inc. Multimode image and spectral reader
US10745825B2 (en) 2014-03-18 2020-08-18 Apdn (B.V.I.) Inc. Encrypted optical markers for security applications
CA2940655C (en) 2014-03-18 2020-07-07 Apdn (B.V.I.) Inc. Encrypted optical markers for security applications
US10920274B2 (en) 2017-02-21 2021-02-16 Apdn (B.V.I.) Inc. Nucleic acid coated submicron particles for authentication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518871A1 (en) * 1974-04-26 1975-11-13 Portals Ltd SECURITY DOCUMENTS
DE2722427A1 (en) * 1977-05-18 1978-11-30 Juergen Dethloff Cheques with forgery proof coding zones - are for visual and automatic reading using pressure sensitive capsules containing chemicals
DE3038178C1 (en) * 1980-10-09 1982-06-09 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Security paper protected against erasing
GB8407212D0 (en) * 1984-03-20 1984-04-26 Tythe J Security documents

Also Published As

Publication number Publication date
DE4443660C1 (en) 1995-10-26
ES2128108T3 (en) 1999-05-01
DE59504843D1 (en) 1999-02-25
WO1996017729A1 (en) 1996-06-13
IL116181A0 (en) 1996-01-31
AU690783B2 (en) 1998-04-30
ZA9510065B (en) 1996-06-29
EP0796173B1 (en) 1999-01-13
EP0796173A1 (en) 1997-09-24
CZ173997A3 (en) 1997-11-12
PL320633A1 (en) 1997-10-13

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired