GB2573859B - Security device, method of making a security device and method of authenticating a product - Google Patents

Security device, method of making a security device and method of authenticating a product Download PDF

Info

Publication number
GB2573859B
GB2573859B GB1903429.7A GB201903429A GB2573859B GB 2573859 B GB2573859 B GB 2573859B GB 201903429 A GB201903429 A GB 201903429A GB 2573859 B GB2573859 B GB 2573859B
Authority
GB
United Kingdom
Prior art keywords
security device
authenticating
making
product
security
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
GB1903429.7A
Other versions
GB2573859A (en
GB201903429D0 (en
Inventor
William John Mccallien Duncan
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of GB201903429D0 publication Critical patent/GB201903429D0/en
Publication of GB2573859A publication Critical patent/GB2573859A/en
Application granted granted Critical
Publication of GB2573859B publication Critical patent/GB2573859B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • B41M3/148—Transitory images, i.e. images only visible from certain viewing angles
    • 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
    • B42D25/21—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Ink Jet (AREA)
  • Printing Methods (AREA)
  • Liquid Crystal (AREA)
GB1903429.7A 2018-03-13 2019-03-13 Security device, method of making a security device and method of authenticating a product Expired - Fee Related GB2573859B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1803980.0A GB201803980D0 (en) 2018-03-13 2018-03-13 Secruity device, method of making a security device and method of authenticating a product

Publications (3)

Publication Number Publication Date
GB201903429D0 GB201903429D0 (en) 2019-04-24
GB2573859A GB2573859A (en) 2019-11-20
GB2573859B true GB2573859B (en) 2021-02-10

Family

ID=61972655

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1803980.0A Ceased GB201803980D0 (en) 2018-03-13 2018-03-13 Secruity device, method of making a security device and method of authenticating a product
GB1903429.7A Expired - Fee Related GB2573859B (en) 2018-03-13 2019-03-13 Security device, method of making a security device and method of authenticating a product

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1803980.0A Ceased GB201803980D0 (en) 2018-03-13 2018-03-13 Secruity device, method of making a security device and method of authenticating a product

Country Status (2)

Country Link
GB (2) GB201803980D0 (en)
WO (1) WO2019175580A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6570648B1 (en) * 1997-08-28 2003-05-27 Wacker-Chemie Gmbh Machine-detectable security marking with an increased level of proof against forgery, production of the security marking, and security system comprising this security marking
US20070159671A1 (en) * 2003-05-16 2007-07-12 Nhk Spring Co., Ltd. Discrimination medium and discrimination method using the same
CN101930141A (en) * 2009-06-25 2010-12-29 中国人民银行印制科学技术研究所 Liquid crystal machine-readable anti-false element

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6570648B1 (en) * 1997-08-28 2003-05-27 Wacker-Chemie Gmbh Machine-detectable security marking with an increased level of proof against forgery, production of the security marking, and security system comprising this security marking
US20070159671A1 (en) * 2003-05-16 2007-07-12 Nhk Spring Co., Ltd. Discrimination medium and discrimination method using the same
CN101930141A (en) * 2009-06-25 2010-12-29 中国人民银行印制科学技术研究所 Liquid crystal machine-readable anti-false element

Also Published As

Publication number Publication date
GB201803980D0 (en) 2018-04-25
GB2573859A (en) 2019-11-20
GB201903429D0 (en) 2019-04-24
WO2019175580A1 (en) 2019-09-19

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Legal Events

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

Effective date: 20230313