GB201419979D0 - Improvements in watermarking - Google Patents

Improvements in watermarking

Info

Publication number
GB201419979D0
GB201419979D0 GBGB1419979.8A GB201419979A GB201419979D0 GB 201419979 D0 GB201419979 D0 GB 201419979D0 GB 201419979 A GB201419979 A GB 201419979A GB 201419979 D0 GB201419979 D0 GB 201419979D0
Authority
GB
United Kingdom
Prior art keywords
watermarking
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.)
Withdrawn
Application number
GBGB1419979.8A
Other versions
GB2532921A (en
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 GB1419979.8A priority Critical patent/GB2532921A/en
Publication of GB201419979D0 publication Critical patent/GB201419979D0/en
Priority to PCT/GB2015/053372 priority patent/WO2016075443A1/en
Publication of GB2532921A publication Critical patent/GB2532921A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/44—Watermarking devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
GB1419979.8A 2014-11-10 2014-11-10 Improvements in watermarking Withdrawn GB2532921A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1419979.8A GB2532921A (en) 2014-11-10 2014-11-10 Improvements in watermarking
PCT/GB2015/053372 WO2016075443A1 (en) 2014-11-10 2015-11-06 Watermark formation element and security paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1419979.8A GB2532921A (en) 2014-11-10 2014-11-10 Improvements in watermarking

Publications (2)

Publication Number Publication Date
GB201419979D0 true GB201419979D0 (en) 2014-12-24
GB2532921A GB2532921A (en) 2016-06-08

Family

ID=52118261

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1419979.8A Withdrawn GB2532921A (en) 2014-11-10 2014-11-10 Improvements in watermarking

Country Status (2)

Country Link
GB (1) GB2532921A (en)
WO (1) WO2016075443A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2556964B (en) * 2014-11-10 2018-12-12 Portals De La Rue Ltd Improvements in watermarking

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901049A (en) 1930-10-20 1933-03-14 Nat Bank Of Hungary Process for the production of genuine watermark papers without using relief molds
US2009185A (en) 1934-04-04 1935-07-23 Mccorkindale Company Water-marking
GB2382325B8 (en) 2001-11-26 2008-06-05 Rue De Int Ltd Improvements in paper
DE102006058513A1 (en) * 2006-12-12 2008-06-19 Giesecke & Devrient Gmbh Drainage screen and process for its production
WO2010036104A1 (en) * 2008-09-26 2010-04-01 Vhp Veiligheidspapierfabriek Ugchelen B.V. Method for producing a watermark element, watermark element, and also applications
FR2957943B1 (en) * 2010-03-24 2021-11-05 Arjowiggins Security WATERMARK, METHODS FOR MANUFACTURING A PART FOR THE FORMATION OF A WATERMARK AND PART OBTAINED ACCORDING TO THIS PROCEDURE

Also Published As

Publication number Publication date
WO2016075443A1 (en) 2016-05-19
GB2532921A (en) 2016-06-08

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)