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GB2457911B - Improved method for producing an optically varible security device - Google Patents

Improved method for producing an optically varible security device

Info

Publication number
GB2457911B
GB2457911B GB0803622A GB0803622A GB2457911B GB 2457911 B GB2457911 B GB 2457911B GB 0803622 A GB0803622 A GB 0803622A GB 0803622 A GB0803622 A GB 0803622A GB 2457911 B GB2457911 B GB 2457911B
Authority
GB
United Kingdom
Prior art keywords
varible
optically
producing
security device
improved method
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 - Fee Related
Application number
GB0803622A
Other versions
GB2457911A (en
GB0803622D0 (en
Inventor
Adam Lister
Lawrence George Commander
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.)
De la Rue International Ltd
Original Assignee
De la Rue International 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
Application filed by De la Rue International Ltd filed Critical De la Rue International Ltd
Priority to GB0803622A priority Critical patent/GB2457911B/en
Publication of GB0803622D0 publication Critical patent/GB0803622D0/en
Priority to DE102009010770A priority patent/DE102009010770A1/en
Publication of GB2457911A publication Critical patent/GB2457911A/en
Application granted granted Critical
Publication of GB2457911B publication Critical patent/GB2457911B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • 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
    • B42D15/0013—
    • B42D15/0026—
    • B42D15/10—
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/23—Identity cards
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/24—Passports
    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/355—Security threads
    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • 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
    • 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
    • B42D25/43—Marking by removal of material
    • B42D2031/06—
    • B42D2031/16—
    • B42D2033/10—
    • B42D2033/16—
    • B42D2033/18—
    • B42D2033/20—
    • B42D2033/26—
    • B42D2035/06—
    • B42D2035/08—
    • B42D2037/06—

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Credit Cards Or The Like (AREA)
GB0803622A 2008-02-27 2008-02-27 Improved method for producing an optically varible security device Expired - Fee Related GB2457911B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0803622A GB2457911B (en) 2008-02-27 2008-02-27 Improved method for producing an optically varible security device
DE102009010770A DE102009010770A1 (en) 2008-02-27 2009-02-26 Improved process for making an optically variable security device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0803622A GB2457911B (en) 2008-02-27 2008-02-27 Improved method for producing an optically varible security device

Publications (3)

Publication Number Publication Date
GB0803622D0 GB0803622D0 (en) 2008-04-02
GB2457911A GB2457911A (en) 2009-09-02
GB2457911B true GB2457911B (en) 2010-05-12

Family

ID=39284688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0803622A Expired - Fee Related GB2457911B (en) 2008-02-27 2008-02-27 Improved method for producing an optically varible security device

Country Status (2)

Country Link
DE (1) DE102009010770A1 (en)
GB (1) GB2457911B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA022363B1 (en) 2009-12-08 2015-12-30 Сикпа Холдинг Са Marking based on chiral liquid crystal polymers
CA2782020A1 (en) 2009-12-08 2011-06-16 Sicpa Holding Sa Marking based on modified chiral liquid crystal polymers
ES2439046T3 (en) 2009-12-08 2014-01-21 Sicpa Holding Sa Chiral liquid crystal polymer label
CA2781460A1 (en) 2009-12-08 2011-06-16 Sicpa Holding Sa Modified marking based on chiral liquid crystal polymers
CA2818026C (en) 2010-12-07 2018-11-06 Sicpa Holding Sa Composite marking based on chiral liquid crystal precursors
KR20140004081A (en) 2010-12-07 2014-01-10 시크파 홀딩 에스.에이. Simplified control of color shifting properties of a chiral liquid crystal polymer and composition thereof
CN107038950A (en) * 2017-06-07 2017-08-11 公安部第研究所 A kind of color-changing anti-counterfeit mark
GB2578117B (en) * 2018-10-16 2021-06-09 De La Rue Int Ltd Security devices and methods for their manufacture

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6421107B1 (en) * 1999-07-02 2002-07-16 Merck Patent Gesellaschaft Process of preparing a multilayer cholesteric film II
EP1295929A2 (en) * 2001-09-25 2003-03-26 MERCK PATENT GmbH Anisotropic polymer film

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU488652B2 (en) 1973-09-26 1976-04-01 Commonwealth Scientific And Industrial Research Organisation Improvements in or relating to security tokens
IN157644B (en) 1981-02-19 1986-05-10 Portals Ltd
CA1273791A (en) 1987-03-17 1990-09-11 David M. Makow Display forms using liquid crystals
DE3942663A1 (en) 1989-12-22 1991-06-27 Gao Ges Automation Org DATA CARRIER WITH A LIQUID CRYSTAL SECURITY ELEMENT
DE4041025C2 (en) 1990-12-20 2003-04-17 Gao Ges Automation Org Magnetic, metallic security thread with negative writing
DE4314380B4 (en) 1993-05-01 2009-08-06 Giesecke & Devrient Gmbh Security paper and process for its production
DE19650759A1 (en) 1996-12-06 1998-06-10 Giesecke & Devrient Gmbh Security element
UA52804C2 (en) 1997-12-02 2003-01-15 Текнікал Графікс Сек'Юріті Продактс, Ллс Device for protecting documents by using magnetic and metallic protective elements (variants); method for producing the protection device (variants); method for identifying documents
EP0982605A1 (en) 1998-08-26 2000-03-01 MERCK PATENT GmbH Reflective film
EP1053493A1 (en) 1998-12-07 2000-11-22 Koninklijke Philips Electronics N.V. Patterned layer of a polymer material having a cholesteric order
GB9828770D0 (en) 1998-12-29 1999-02-17 Rue De Int Ltd Security paper
DE19907697A1 (en) 1999-02-23 2000-08-24 Giesecke & Devrient Gmbh Security element with optically variable material for documents of value additionally comprises at least one machine readable distinguishing material which does not impair the effect of the optically variable material
DE10163381A1 (en) 2001-12-21 2003-07-03 Giesecke & Devrient Gmbh Security paper and method and device for its production
GB0201767D0 (en) 2002-01-25 2002-03-13 Rue De Int Ltd Improvements in methods of manufacturing substrates
GB0209564D0 (en) 2002-04-25 2002-06-05 Rue De Int Ltd Improvements in substrates
GB2388377B (en) 2002-05-09 2004-07-28 Rue De Int Ltd A paper sheet incorporating a security element and a method of making the same
DE10333746B4 (en) 2003-07-23 2009-04-09 Forschungszentrum Jülich GmbH MRI method with keyhole technique
DE102004021246A1 (en) 2004-04-30 2005-11-24 Giesecke & Devrient Gmbh Security element and method for its production
GB2438384B (en) 2006-05-26 2008-10-29 Rue De Int Ltd Improvements in forming security devices
GB2438383B (en) 2006-05-26 2008-10-08 Rue De Int Ltd Improvements in substrates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6421107B1 (en) * 1999-07-02 2002-07-16 Merck Patent Gesellaschaft Process of preparing a multilayer cholesteric film II
EP1295929A2 (en) * 2001-09-25 2003-03-26 MERCK PATENT GmbH Anisotropic polymer film

Also Published As

Publication number Publication date
GB2457911A (en) 2009-09-02
GB0803622D0 (en) 2008-04-02
DE102009010770A1 (en) 2009-09-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120227