DE3069302D1 - Sheet material carrying an unobtrusive image and method for its production - Google Patents

Sheet material carrying an unobtrusive image and method for its production

Info

Publication number
DE3069302D1
DE3069302D1 DE8080303515T DE3069302T DE3069302D1 DE 3069302 D1 DE3069302 D1 DE 3069302D1 DE 8080303515 T DE8080303515 T DE 8080303515T DE 3069302 T DE3069302 T DE 3069302T DE 3069302 D1 DE3069302 D1 DE 3069302D1
Authority
DE
Germany
Prior art keywords
production
sheet material
unobtrusive image
material carrying
unobtrusive
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.)
Expired
Application number
DE8080303515T
Other languages
English (en)
Inventor
Martin Allan Riley
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.)
Wiggins Teape Group Ltd
Original Assignee
Wiggins Teape Group Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10508682&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3069302(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd
Application granted granted Critical
Publication of DE3069302D1 publication Critical patent/DE3069302D1/de
Expired 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
    • 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
    • B41M3/10—Watermarks
    • 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
    • B41M5/10—Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like

Landscapes

  • Color Printing (AREA)
  • Paper (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Printing Methods (AREA)
  • Ink Jet (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Silicon Compounds (AREA)
  • Duplication Or Marking (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Golf Clubs (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE8080303515T 1979-10-22 1980-10-06 Sheet material carrying an unobtrusive image and method for its production Expired DE3069302D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7936520 1979-10-22

Publications (1)

Publication Number Publication Date
DE3069302D1 true DE3069302D1 (en) 1984-10-31

Family

ID=10508682

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080303515T Expired DE3069302D1 (en) 1979-10-22 1980-10-06 Sheet material carrying an unobtrusive image and method for its production

Country Status (15)

Country Link
EP (1) EP0027698B2 (de)
JP (1) JPS5668196A (de)
AT (1) ATE9561T1 (de)
AU (1) AU530402B2 (de)
BR (1) BR8006687A (de)
CA (1) CA1157075A (de)
DE (1) DE3069302D1 (de)
DK (1) DK445080A (de)
ES (1) ES8205382A1 (de)
FI (1) FI65113C (de)
GR (1) GR70318B (de)
NO (1) NO803132L (de)
NZ (1) NZ195199A (de)
PT (1) PT71910B (de)
ZA (1) ZA806216B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561420B1 (fr) * 1984-03-13 1987-07-03 Balauze Marcombe Filigrane d'identite
GB8607689D0 (en) * 1986-03-27 1986-04-30 Wiggins Teape Group Ltd Imaged microcapsule-coated paper
GB8700765D0 (en) * 1987-01-14 1987-02-18 Wiggins Teape Group Ltd Laser apparatus
GB8803560D0 (en) * 1988-02-16 1988-03-16 Wiggins Teape Group Ltd Laser apparatus for repetitively marking moving sheet
GB8807598D0 (en) * 1988-03-30 1988-05-05 Carrs Paper Ltd Paper for use in photocopying &c reprographic processes
GB2244497B (en) * 1988-03-30 1992-04-15 Carrs Paper Ltd Stack of sheet material having sensitive layers
US6406118B1 (en) 1988-12-30 2002-06-18 Canon Kabushiki Kaisha Ink jet recording apparatus having a heat fixing mechanism
ES2085272T3 (es) * 1988-12-30 1996-06-01 Canon Kk Aparato para la impresion por chorros de tinta.
US5352495A (en) * 1989-02-16 1994-10-04 The Wiggins Teape Group Limited Treatment of a surface by laser energy
DE4304413A1 (de) * 1993-02-13 1994-08-18 Kanzan Spezialpapiere Gmbh Bahnförmiges Trägermaterial für eine thermosensitive Aufzeichnungsschicht
FR2768443B1 (fr) * 1997-09-15 1999-10-15 Arjo Wiggins Papiers Couches Papier couche comportant une marque ressemblant a un filigrane et procede de fabrication
US6334678B1 (en) * 1999-09-01 2002-01-01 International Paper Company Method for applying chemical watermarks on substrate
ITBZ20020016A1 (it) * 2002-03-29 2003-09-29 Ara Paolo Dall Metodo per la realizzazione di un supporto di registrazione verificabile sull'autenticita' e supporto di registrazione cosi' ottenuto.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB696673A (en) * 1949-09-29 1953-09-09 John Knaggs Manufacture of paper
FR2086537A5 (en) * 1970-04-01 1971-12-31 Omop Carbon transfer webs mfre
GB1354890A (en) * 1970-08-26 1974-05-30 Ici Ltd Pattern printing apparatus
DE2043753A1 (en) * 1970-09-03 1972-03-09 Schmidt, Gunter Adolf, 8000 München Paper with "water mark" - by printing with fluid silicone/hardener mixt
US3786517A (en) * 1972-09-05 1974-01-15 Ibm Ink jet printer with ink system filter means
DE2527462A1 (de) * 1975-06-20 1976-12-30 Pelikan Werke Wagner Guenther Gegen faelschung gesicherte vordrucke
DE2905441C3 (de) * 1979-02-13 1981-05-14 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Verfahren zur Herstellung von Wertpapier mit gedruckten Echtheitskennzeichen in einer Papierschicht

Also Published As

Publication number Publication date
FI803281L (fi) 1981-04-23
BR8006687A (pt) 1981-04-22
EP0027698B2 (de) 1989-04-05
ES496107A0 (es) 1982-06-01
DK445080A (da) 1981-04-23
FI65113C (fi) 1984-03-12
EP0027698A3 (en) 1981-12-30
PT71910A (en) 1980-11-01
JPS5668196A (en) 1981-06-08
ATE9561T1 (de) 1984-10-15
NO803132L (no) 1981-04-23
AU6354680A (en) 1981-04-30
ES8205382A1 (es) 1982-06-01
EP0027698B1 (de) 1984-09-26
CA1157075A (en) 1983-11-15
NZ195199A (en) 1982-12-07
EP0027698A2 (de) 1981-04-29
FI65113B (fi) 1983-11-30
ZA806216B (en) 1981-09-30
AU530402B2 (en) 1983-07-14
PT71910B (en) 1981-10-13
GR70318B (de) 1982-09-10

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee