ZA9510065B - Recording sheet of a copying set - Google Patents

Recording sheet of a copying set

Info

Publication number
ZA9510065B
ZA9510065B ZA9510065A ZA9510065A ZA9510065B ZA 9510065 B ZA9510065 B ZA 9510065B ZA 9510065 A ZA9510065 A ZA 9510065A ZA 9510065 A ZA9510065 A ZA 9510065A ZA 9510065 B ZA9510065 B ZA 9510065B
Authority
ZA
South Africa
Prior art keywords
recording sheet
copying set
copying
recording
sheet
Prior art date
Application number
ZA9510065A
Inventor
Guenter Gabel
Wolfram Friesen
Reiner Mueller
Michael Hirt
Original Assignee
Feldmuehle Ag Stora
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 Feldmuehle Ag Stora filed Critical Feldmuehle Ag Stora
Publication of ZA9510065B publication Critical patent/ZA9510065B/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)
ZA9510065A 1994-12-08 1995-11-27 Recording sheet of a copying set ZA9510065B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4443660A DE4443660C1 (en) 1994-12-08 1994-12-08 Copy sheet of a carbon copy

Publications (1)

Publication Number Publication Date
ZA9510065B true ZA9510065B (en) 1996-06-29

Family

ID=6535238

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9510065A ZA9510065B (en) 1994-12-08 1995-11-27 Recording sheet of a copying 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
US9904734B2 (en) 2013-10-07 2018-02-27 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
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
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
AU4176696A (en) 1996-06-26
EP0796173A1 (en) 1997-09-24
AU690783B2 (en) 1998-04-30
ES2128108T3 (en) 1999-05-01
DE59504843D1 (en) 1999-02-25
CZ173997A3 (en) 1997-11-12
DE4443660C1 (en) 1995-10-26
EP0796173B1 (en) 1999-01-13
IL116181A0 (en) 1996-01-31
PL320633A1 (en) 1997-10-13
WO1996017729A1 (en) 1996-06-13

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