PL320633A1 - Copied characters receiving sheet in a set of self-copying sheets - Google Patents

Copied characters receiving sheet in a set of self-copying sheets

Info

Publication number
PL320633A1
PL320633A1 PL95320633A PL32063395A PL320633A1 PL 320633 A1 PL320633 A1 PL 320633A1 PL 95320633 A PL95320633 A PL 95320633A PL 32063395 A PL32063395 A PL 32063395A PL 320633 A1 PL320633 A1 PL 320633A1
Authority
PL
Poland
Prior art keywords
self
receiving sheet
copying sheets
copied characters
characters receiving
Prior art date
Application number
PL95320633A
Inventor
Guenter Gabel
Wolfram Friesen
Reiner Mueller
Michael Hirt
Original Assignee
Stora Publication Paper 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 Publication Paper Ag filed Critical Stora Publication Paper Ag
Publication of PL320633A1 publication Critical patent/PL320633A1/en

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)
PL95320633A 1994-12-08 1995-11-29 Copied characters receiving sheet in a set of self-copying sheets PL320633A1 (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
PL320633A1 true PL320633A1 (en) 1997-10-13

Family

ID=6535238

Family Applications (1)

Application Number Title Priority Date Filing Date
PL95320633A PL320633A1 (en) 1994-12-08 1995-11-29 Copied characters receiving sheet in a set of self-copying sheets

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
CA2926436A1 (en) 2013-10-07 2015-04-16 Judith Murrah Multimode image and spectral reader
WO2015142990A1 (en) * 2014-03-18 2015-09-24 Apdn (B.V.I.) Inc. Encryped optical markers for security applications
US10745825B2 (en) 2014-03-18 2020-08-18 Apdn (B.V.I.) Inc. Encrypted optical markers for security applications
WO2018156352A1 (en) 2017-02-21 2018-08-30 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
FR2279570A1 (en) * 1974-04-26 1976-02-20 Portals Ltd Security documents incorporating a check for authenticity - contg substances capable of a colour reaction with test reagent
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
DE59504843D1 (en) 1999-02-25
IL116181A0 (en) 1996-01-31
WO1996017729A1 (en) 1996-06-13
ES2128108T3 (en) 1999-05-01
DE4443660C1 (en) 1995-10-26
EP0796173A1 (en) 1997-09-24
AU690783B2 (en) 1998-04-30
ZA9510065B (en) 1996-06-29
CZ173997A3 (en) 1997-11-12
AU4176696A (en) 1996-06-26
EP0796173B1 (en) 1999-01-13

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