Title:
SECURITY DOCUMENTS AND METHODS OF MANUFACTURE THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/053830
Kind Code:
A3
Abstract:
A security document is disclosed, comprising first and second security devices, a document substrate, and a protective layer formed of a cured, at least semi- transparent material on a first surface of the document substrate. The surface of the protective layer distal to the document substrate has an integral surface relief structure. The first security device is defined by the surface relief in a first region of the surface relief structure, the second security device is provided at the first surface of the document substrate, and the protective layer covers the second security device.
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Inventors:
GODFREY JOHN (GB)
LOCKE REBECCA (GB)
LOCKE REBECCA (GB)
Application Number:
PCT/GB2021/052365
Publication Date:
May 12, 2022
Filing Date:
September 10, 2021
Export Citation:
Assignee:
DE LA RUE INT LTD (GB)
International Classes:
B42D25/324; B41M3/14; B42D25/29; B42D25/328; B42D25/351; B42D25/36; B42D25/425; B42D25/46
Domestic Patent References:
WO2017009616A1 | 2017-01-19 | |||
WO2008098753A1 | 2008-08-21 |
Foreign References:
EP3200995A1 | 2017-08-09 | |||
US20200009896A1 | 2020-01-09 |
Attorney, Agent or Firm:
GILL JENNINGS & EVERY LLP (GB)
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