EP4168254C0 - Graphenbasierter sicherheitsfaden, verfahren zur herstellung davon und anwendung davon - Google Patents

Graphenbasierter sicherheitsfaden, verfahren zur herstellung davon und anwendung davon

Info

Publication number
EP4168254C0
EP4168254C0 EP21749896.3A EP21749896A EP4168254C0 EP 4168254 C0 EP4168254 C0 EP 4168254C0 EP 21749896 A EP21749896 A EP 21749896A EP 4168254 C0 EP4168254 C0 EP 4168254C0
Authority
EP
European Patent Office
Prior art keywords
graphen
producing
same
based security
security thread
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.)
Active
Application number
EP21749896.3A
Other languages
English (en)
French (fr)
Other versions
EP4168254A1 (de
EP4168254B1 (de
Inventor
Shilpan Pravinchandra Patel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4168254A1 publication Critical patent/EP4168254A1/de
Application granted granted Critical
Publication of EP4168254B1 publication Critical patent/EP4168254B1/de
Publication of EP4168254C0 publication Critical patent/EP4168254C0/de
Active 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/305—Associated digital information
    • 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
    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/369—Magnetised or magnetisable materials
    • 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
    • B42D25/378—Special inks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Credit Cards Or The Like (AREA)
EP21749896.3A 2020-06-20 2021-06-20 Graphenbasierter sicherheitsfaden, verfahren zur herstellung davon und anwendung davon Active EP4168254B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201921053249 2020-06-20
PCT/IN2021/050595 WO2021255762A1 (en) 2020-06-20 2021-06-20 Graphene based security thread, methods of manufacturing the same and application thereof.

Publications (3)

Publication Number Publication Date
EP4168254A1 EP4168254A1 (de) 2023-04-26
EP4168254B1 EP4168254B1 (de) 2025-05-07
EP4168254C0 true EP4168254C0 (de) 2025-05-07

Family

ID=77207214

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21749896.3A Active EP4168254B1 (de) 2020-06-20 2021-06-20 Graphenbasierter sicherheitsfaden, verfahren zur herstellung davon und anwendung davon

Country Status (2)

Country Link
EP (1) EP4168254B1 (de)
WO (1) WO2021255762A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4423856A4 (de) * 2021-10-25 2025-10-29 Chasm Advanced Mat Inc Transparente hochfrequenzantenne und emi-abschirmung
CN114326213B (zh) * 2022-01-19 2023-11-28 京东方科技集团股份有限公司 显示模组背光源的支撑件及其制作方法、显示模组
US20230418067A1 (en) * 2022-06-24 2023-12-28 Rockwell Collins, Inc. System including head wearable display device and imperceptible reference fiducials and method therefor
CN115922060A (zh) * 2022-11-16 2023-04-07 国网内蒙古东部电力有限公司兴安供电公司 一种激光制备石墨烯/银基复合触头的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014117877A1 (de) * 2014-12-04 2016-06-23 Leonhard Kurz Stiftung & Co. Kg Sicherheitselement
US9704080B2 (en) 2014-12-18 2017-07-11 Piotr Nawrocki Security element for sensitive documents and a sensitive document
US20170089012A1 (en) 2015-09-24 2017-03-30 Piotr Nawrocki Security element against counterfeiting security printing, especially banknotes

Also Published As

Publication number Publication date
EP4168254A1 (de) 2023-04-26
EP4168254B1 (de) 2025-05-07
WO2021255762A1 (en) 2021-12-23

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