WO1990012694A1 - Secure image production - Google Patents
Secure image production Download PDFInfo
- Publication number
- WO1990012694A1 WO1990012694A1 PCT/AU1990/000167 AU9000167W WO9012694A1 WO 1990012694 A1 WO1990012694 A1 WO 1990012694A1 AU 9000167 W AU9000167 W AU 9000167W WO 9012694 A1 WO9012694 A1 WO 9012694A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- carbon
- glue
- laminate
- layer
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/41—Marking using electromagnetic radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/415—Marking using chemicals
- B42D25/42—Marking using chemicals by photographic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/455—Associating two or more layers using heat
-
- B42D2033/04—
-
- B42D2033/20—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/465—Associating two or more layers using chemicals or adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/465—Associating two or more layers using chemicals or adhesives
- B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/48—Controlling the manufacturing process
- B42D25/485—Controlling the manufacturing process by electronic processing means
Definitions
- This invention concerns the production of security documents, such as passports, identity cards, identification badges and labels, driving licences and the like. More particularly, it concerns a technique for providing, within a laminated structure, a printed image that is significantly more secure than images obtained by conventional procedures.
- the most common method of producing identity cards, identification badges and the like involves the steps of (i) mounting a photograph on a backing sheet of light card, (ii) sandwiching the card (with the photograph attached) between two sheets of a transparent plastics material, then (iii) bonding (using heat) the transparent sheets together at their edges.
- Such cards and badges do not possess the degree of security that is required for passports and for passes to regions containing secret and classified information, for it is possible to cut the cards and badges near the edges of the transparent sheets, remove the card, substitute a new photograph, and then seal the modified card between two new sheets of transparent plastics material.
- Passports are still produced by a technique which involves bonding a photograph to a page of the passport, using a conventional paper glue, then covering at least part of that page (with the photograph affixed) with either a transparent strip of a polyester material having adhesive on one side or a glass bead laminate. In this way the photograph is covered by the transparent strip or the glass beads and its security is improved.
- a determined person it is possible for a determined person to separate the components of the passport page, then substitute a fresh photograph for the photograph that has been mounted in the passport using this technique.
- an image can be produced on (or in) a layer of a high temperature glue (that is, a glue having a melting point of about 95°C) at low temperature, and that image is not destroyed, if the toner or other carbon-containing material used to create the image has set, when the glue layer is heated to create a bond.
- a high temperature glue that is, a glue having a melting point of about 95°C
- a sheet of a transparent medium for example, a polyester material or a layer of glass beads
- a high temperature glue for example, a high temperature glue
- an image is printed on the glue layer using (for example) a laser xerography technique or printing ink, and that transparent material is subsequently bonded to a sheet of paper or other substrate by a thermal process
- the image is presented without deterioration within the laminate thus produced, provided the toner or ink used for the printing of the image has set on the glue before the thermal bonding is effected.
- the image includes printing, that printing is machine readable.
- the present invention provides a method of producing an image within a laminate which comprises the steps of
- Some manufacturers produce a laminate in the form of a sheet of a transparent medium to which a layer of a high temperature glue has been applied. Such a product can be used in the present invention, which then comprises the steps of
- step (d) of the first recitation above of the method of the present invention and step (c) of the second recitation of the present invention in the last preceding paragraph - is well known, so that detailed discussion of that technique in this specification is not necessary.
- the image (which may consist of or include printing) will be viewed through the transparent medium, the image will normally be printed on the glue as a reverse image.
- the image may be created by laser xerography or other photo-copying technique, by an ink-jet printer (provided the ink used is chosen - or thickened - so that it does not flow on contact with the glue layer), by a dot matrix printer using a typewriter ribbon (preferably a carbon typewriter ribbon), or by a typewriter adapted to print mirror images of the normal characters of the typewriter.
- Ink jet printers and dot matrix printers can be used to create the equivalent of photographic images by an appropriate printing of dots.
- the printing of the image is effected by programming the printer after scanning the image to determine the density of dots in the pixels which make up the image.
- a typewriter ribbon is the medium through which the carbon or carbon-containing compound is applied to the glue layer, there is no requirement to allow or cause the material of the image to set before proceeding to the thermal bonding step of the present invention.
- an entire page of a passport, or an entire identification card or badge, comprising both a photographic image and lettering, may be printed by the printer.
- the passport page or identification card or badge may be produced with two printing steps.
- the first printing step will produce an image of the required lettering and the second printing step will provide the photographic image of the bearer of the passport or the holder of the identification card or badge. (Of course, the image may be printed before the lettering. )
- the glue layer containing the two printed images will then be brought into contact with the substrate, and the high temperature thermal process will be used to produce the completed passport page or identification card or badge.
- the transparent sheet material is typically either a flexible, transparent polyester material, such as the material marketed under the trade mark "Mylar", or it may be a layer of glass beads in glue. Both such materials are available commercially with a layer of high temperature glue applied to one face of the transparent sheet.
- one or more additional layers of any suitable material may be bonded to the substrate of the product laminate of the present invention, preferably (but not necessarily) using the high temperature glue bonding technique.
- Figure 1 is a sectional view (partly schematic) through a sheet of transparent polyester material that is to be bonded to a backing sheet, using glue on which an image has been printed.
- Figure 2 is a similar sectional view (partly schematic) through a sheet of a glass bead laminate with a high temperature glue layer, that is being bonded to a substrate.
- Embodiment Figure 1 shows a sheet 10 of a transparent polyester material, such as "Mylar” (trade mark), or another known flexible, transparent polyester material that is available in sheet form, to one side of which a thin layer 11 of a known high temperature glue has been applied by the manufacturer. Thin layers of the high temperature glue are also transparent.
- a transparent polyester material such as "Mylar” (trade mark)
- Mylar trademark
- Thin layers of the high temperature glue are also transparent.
- Figure 2 depicts a glass bead laminate comprising a layer 20 of glass beads in glue, to one side of which a thin layer 11 of a high temperature glue has been applied.
- An optional (but usually present) sheet 26 of backing paper is included to improve the stiffness of the laminate and to protect the glass beads at the face of layer 21.
- images - usually reverse images of a photographic impression and associated lettering to be viewed, subseqently, through the transparent sheet 10 or 20 in the direction of the arrow A - are printed on the region 12 of the glue 11, using carbon or a carbon-containing compound.
- laser xerography is a convenient way of producing the images. This way of producing the images is preferred, but it is acknowledged that increased use of scanners and programmed printers, and developments in that technology, may result in programmable printers becoming the preferred equipment for the image production.
- the image of the lettering may be applied to the glue layer before, or after, the application of an image of a photographic impression.
- the toner When the image is produced by a xerographic process or with printing ink, the toner must be allowed (or caused) to set, or the ink must be dry, before the next step in the fabrication of the product laminate is taken.
- the setting or drying usually takes a very short time. Indeed, when laser xerography is used produce the image, the heat required to set the toner is applied as part of the printing process.
- the glue layer 11 is not softened during its passage through the printer.
- the transparent sheet 10 or 20 is placed on a substrate 13 of paper or other suitable material with the glue layer 11 sandwiched between the transparent sheet 10 or 20 and the substrate 13.
- the substrate 13 may have information printed on it in regions 14 outside the area of the substrate which is covered by the image regions 12 of the glue layer 11.
- the sandwich of sheet 10 or 20 with the substrate 13 is then heat treated in the conventional manner to bond the transparent sheet 10 or 20 to the substrate 13 and form a product laminate of the two sheets. Following this step it is very difficult to separate the sheet 10 (or 20) from the substrate 13.
- the surprising aspect of such a thermal treatment is that the imprinted image on or in the glue is not destroyed or distorted, but retains its identity and clarity, despite the melting of the glue during the high temperature bonding treatment.
- the substrate 13 of the product laminate may be bonded to additional sheets 27 of paper or card or other suitable material to form a thicker, and therefore stiffer, laminate. It has been found that such additional bonding does not destroy or distort the original image on the region 12 of the basic laminate. Indeed, tests using images produced by the present invention have shown that when the images include alpha-numeric characters, those characters remain machine readable to the extent required by the International Civil Aviation Organisation's specification No 9303. Thus the present invention incorporates a stable machine-readability feature into passports and other travel documents.
- the protective backing sheet 26 is peeled off the product laminate after its formation, to expose the outer surface of the transparent layer 20.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP90906739A EP0470131B1 (en) | 1989-04-27 | 1990-04-27 | Secure image production |
DE69032896T DE69032896T2 (en) | 1989-04-27 | 1990-04-27 | IMAGE GENERATION FOR ID CARD |
DK90906739T DK0470131T3 (en) | 1989-04-27 | 1990-04-27 | Safe image making |
KR1019910701475A KR0134670B1 (en) | 1989-04-27 | 1990-04-27 | Secure image production |
SU5010175/12A RU2074097C1 (en) | 1989-04-27 | 1990-04-27 | Methods of manufacturing image inside lamellar structure (variants) and lamellar structure of a safety document |
LVP-93-73A LV10596B (en) | 1989-04-27 | 1993-01-26 | Secure image production inside of layer structure and design of structure comprising such image |
HK98110552A HK1009949A1 (en) | 1989-04-27 | 1998-09-09 | Secure image production |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPJ3915 | 1989-04-27 | ||
AUPJ391589 | 1989-04-27 | ||
AUPJ606789 | 1989-08-31 | ||
AUPJ6067 | 1989-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1990012694A1 true WO1990012694A1 (en) | 1990-11-01 |
Family
ID=25643673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU1990/000167 WO1990012694A1 (en) | 1989-04-27 | 1990-04-27 | Secure image production |
Country Status (11)
Country | Link |
---|---|
EP (2) | EP0470131B1 (en) |
KR (1) | KR0134670B1 (en) |
AT (1) | ATE175629T1 (en) |
CA (1) | CA2053229A1 (en) |
DE (1) | DE69032896T2 (en) |
DK (1) | DK0470131T3 (en) |
ES (1) | ES2127185T3 (en) |
HK (1) | HK1009949A1 (en) |
LV (1) | LV10596B (en) |
PH (1) | PH26483A (en) |
WO (1) | WO1990012694A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993022137A1 (en) * | 1992-04-29 | 1993-11-11 | Nicholas John Murray | Laminates |
EP0794466A2 (en) * | 1996-03-08 | 1997-09-10 | Thomas De La Rue Limited | Method and apparatus for providing security indicia on a substrate |
US6153289A (en) * | 1992-04-29 | 2000-11-28 | Murray; Nicholas J. | Laminates |
US7425894B2 (en) | 2003-07-23 | 2008-09-16 | Ovd Kinegram Ag | Security element for radio frequency identification |
EP2000320A1 (en) * | 2007-05-10 | 2008-12-10 | Hueck Folien Ges.m.b.H. | Security element |
WO2010040972A1 (en) * | 2008-10-06 | 2010-04-15 | De La Rue International Limited | Security article and method of manufacture |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2763889B1 (en) * | 1997-05-30 | 1999-08-06 | Francois Trantoul | INTERMEDIATE SHEET, METHOD AND DEVICE FOR THE PREPARATION OF A DOCUMENT WITH VARIABLE INSCRIPTIONS |
FR2763890B1 (en) * | 1997-09-11 | 1999-08-06 | Francois Trantoul | INTERMEDIATE SHEET, METHOD AND DEVICE FOR THE PREPARATION OF A DOCUMENT WITH VARIABLE INSCRIPTIONS |
DE19917185A1 (en) * | 1999-04-16 | 2000-10-19 | Mueller Bauchemie | Floor and/or wall cover element with a sandwich structure comprises a cover layer of transparent plastic and at least one carrier layer below a printed pattern layer |
IL130585A0 (en) * | 1999-06-21 | 2000-06-01 | Curie Authentication Technolog | Marked difficult-to-counterfeit documents |
FR2834484B1 (en) | 2002-01-09 | 2004-09-03 | Francois Trantoul | METHOD FOR PRODUCING A TRANSPARENT TRANSFERABLE SECURITY FILM PROTECTIVE DEVICE WITH SHORT ULTRAVIOLET |
KR20020046257A (en) * | 2002-05-09 | 2002-06-20 | 이효진 | Manufacturing Method of Solid Metal Foam Composite Bodies by Enhancing the absorption of Incident Radiation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3245697A (en) * | 1964-01-13 | 1966-04-12 | Universal Electronic Credit Sy | Information card |
AU3760872A (en) * | 1971-02-04 | 1973-07-12 | Addressograph Multigraph Corporation | Coated vinyl film |
US3758970A (en) * | 1971-06-08 | 1973-09-18 | Maran Plastic Co | Photograph bearing identification card structure and method of manufacture |
US4560426A (en) * | 1978-12-14 | 1985-12-24 | Hoechst Aktiengesellschaft | Process for the manufacture of identity cards |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3801183A (en) * | 1973-06-01 | 1974-04-02 | Minnesota Mining & Mfg | Retro-reflective film |
GB1477203A (en) | 1974-02-11 | 1977-06-22 | Whiley Ltd G | Manufacture of image-bearing cards and other documents |
US4082873A (en) * | 1976-11-02 | 1978-04-04 | Monarch Marking Systems, Inc. | Switch-proof label |
EP0079354A1 (en) * | 1981-05-20 | 1983-05-25 | HARRISON & SONS (HIGH WYCOMBE) LIMITED | Method and apparatus for making a security card and a security card made thereby |
EP0085673A4 (en) * | 1981-08-17 | 1984-01-09 | American Bank Note Co | Identification card. |
JPH02223494A (en) * | 1988-11-10 | 1990-09-05 | Mitsubishi Electric Corp | Production of card |
-
1990
- 1990-04-27 DE DE69032896T patent/DE69032896T2/en not_active Revoked
- 1990-04-27 DK DK90906739T patent/DK0470131T3/en not_active Application Discontinuation
- 1990-04-27 ES ES90906739T patent/ES2127185T3/en not_active Expired - Lifetime
- 1990-04-27 KR KR1019910701475A patent/KR0134670B1/en not_active IP Right Cessation
- 1990-04-27 WO PCT/AU1990/000167 patent/WO1990012694A1/en not_active Application Discontinuation
- 1990-04-27 CA CA002053229A patent/CA2053229A1/en not_active Abandoned
- 1990-04-27 EP EP90906739A patent/EP0470131B1/en not_active Revoked
- 1990-04-27 PH PH40432A patent/PH26483A/en unknown
- 1990-04-27 AT AT90906739T patent/ATE175629T1/en not_active IP Right Cessation
- 1990-04-27 EP EP96108494A patent/EP0737595A3/en not_active Ceased
-
1993
- 1993-01-26 LV LVP-93-73A patent/LV10596B/en unknown
-
1998
- 1998-09-09 HK HK98110552A patent/HK1009949A1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3245697A (en) * | 1964-01-13 | 1966-04-12 | Universal Electronic Credit Sy | Information card |
AU3760872A (en) * | 1971-02-04 | 1973-07-12 | Addressograph Multigraph Corporation | Coated vinyl film |
US3758970A (en) * | 1971-06-08 | 1973-09-18 | Maran Plastic Co | Photograph bearing identification card structure and method of manufacture |
US4560426A (en) * | 1978-12-14 | 1985-12-24 | Hoechst Aktiengesellschaft | Process for the manufacture of identity cards |
Non-Patent Citations (1)
Title |
---|
PATENTS ABSTRACTS OF JAPAN M-938, page 50, JP,A,01 301 293 (KONICA CORPORATION)12 May 1989 (12.05.89) * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993022137A1 (en) * | 1992-04-29 | 1993-11-11 | Nicholas John Murray | Laminates |
US6153289A (en) * | 1992-04-29 | 2000-11-28 | Murray; Nicholas J. | Laminates |
EP0794466A2 (en) * | 1996-03-08 | 1997-09-10 | Thomas De La Rue Limited | Method and apparatus for providing security indicia on a substrate |
EP0794466A3 (en) * | 1996-03-08 | 1998-08-19 | De La Rue International Limited | Method and apparatus for providing security indicia on a substrate |
US7425894B2 (en) | 2003-07-23 | 2008-09-16 | Ovd Kinegram Ag | Security element for radio frequency identification |
EP2000320A1 (en) * | 2007-05-10 | 2008-12-10 | Hueck Folien Ges.m.b.H. | Security element |
WO2010040972A1 (en) * | 2008-10-06 | 2010-04-15 | De La Rue International Limited | Security article and method of manufacture |
US20110204617A1 (en) * | 2008-10-06 | 2011-08-25 | De La Rue International Limited | Security article and method of manufacture |
Also Published As
Publication number | Publication date |
---|---|
EP0470131A4 (en) | 1991-11-27 |
LV10596A (en) | 1995-04-20 |
AU611340B2 (en) | 1991-06-06 |
KR920700932A (en) | 1992-08-10 |
LV10596B (en) | 1995-12-20 |
AU5395890A (en) | 1990-11-08 |
DE69032896D1 (en) | 1999-02-25 |
EP0470131B1 (en) | 1999-01-13 |
DE69032896T2 (en) | 1999-09-09 |
ATE175629T1 (en) | 1999-01-15 |
HK1009949A1 (en) | 1999-06-11 |
ES2127185T3 (en) | 1999-04-16 |
CA2053229A1 (en) | 1990-10-28 |
PH26483A (en) | 1992-07-27 |
EP0470131A1 (en) | 1992-02-12 |
DK0470131T3 (en) | 1999-08-30 |
EP0737595A3 (en) | 1996-12-18 |
EP0737595A2 (en) | 1996-10-16 |
KR0134670B1 (en) | 1998-04-18 |
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