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D21H21/42
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
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
Current Industry
D21H21/42
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Patents Grants
last 30 patents
Information
Patent Grant
Method for fabrication of non-spherical/asymmetric fine particles b...
Patent number
12,121,974
Issue date
Oct 22, 2024
University-Industry Cooperation Group of Kyung Hee University
Wook Park
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods for verifying the authenticity of products
Patent number
12,024,825
Issue date
Jul 2, 2024
Omya International AG
Roger Bollström
G07 - CHECKING-DEVICES
Information
Patent Grant
Multi-luminescent security element and value or security product co...
Patent number
11,879,083
Issue date
Jan 23, 2024
Bundesdruckerei GmbH
Christian Kunath
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Volume hologram sheet to be embedded, forgery prevention paper, and...
Patent number
11,597,230
Issue date
Mar 7, 2023
Dai Nippon Printing Co., Ltd.
Nobuko Oikawa
B32 - LAYERED PRODUCTS
Information
Patent Grant
Multi-luminescent security element and value or security product co...
Patent number
11,214,734
Issue date
Jan 4, 2022
Bundesdruckerei GmbH
Christian Kunath
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Volume hologram sheet to be embedded, forgery prevention paper, and...
Patent number
11,077,698
Issue date
Aug 3, 2021
Dai Nippon Printing Co., Ltd.
Nobuko Oikawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Security strip and security paper
Patent number
10,745,861
Issue date
Aug 18, 2020
Fabrica Nacional de Moneda y Timbre-Real Casa de la Moneda
Maria Jesus Gomez Estella
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Method of making an acetate tow band with shape and size used for c...
Patent number
10,717,029
Issue date
Jul 21, 2020
Eastman Chemical Company
Andrew Ervin McLeod
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Security element and data carrier provided with same
Patent number
10,625,533
Issue date
Apr 21, 2020
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
Björn Teufel
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Optical information medium
Patent number
10,471,758
Issue date
Nov 12, 2019
Toppan Printing Co., Ltd.
Satoshi Harada
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for manufacturing watermarked paper
Patent number
10,428,457
Issue date
Oct 1, 2019
Fedrigoni S.p.A.
Ivo Planeta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of forming a security document
Patent number
10,421,310
Issue date
Sep 24, 2019
De La Rue International Limited
Robert Whiteman
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Method for the surface application of a security device to a substrate
Patent number
10,189,292
Issue date
Jan 29, 2019
Crane & Co., Inc.
Giles D. Prett
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Security structure including phosphorescent and fluorescent composi...
Patent number
10,011,141
Issue date
Jul 3, 2018
Henri Rosset
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Method of providing a security document with a security feature, an...
Patent number
9,938,667
Issue date
Apr 10, 2018
Fabrica Nacional de Moneda y Timbre-Real Casa de la Moneda
Antonio Olmos
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Security thread
Patent number
9,701,151
Issue date
Jul 11, 2017
Arjowiggins Security
Michel Camus
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Optically variable security threads and stripes
Patent number
9,701,152
Issue date
Jul 11, 2017
SICPA Holding S.A.
Gebhard Ritter
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Substrate for security papers and method of manufacturing the same
Patent number
9,598,821
Issue date
Mar 21, 2017
KBA-NotaSys SA
Johannes Georg Schaede
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Security substrate comprising a magnetic layer and opaque and non-o...
Patent number
9,483,719
Issue date
Nov 1, 2016
De La Rue International Limited
Roland Isherwood
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Method for characterizing fibers with shape and size used for coding
Patent number
9,358,486
Issue date
Jun 7, 2016
Eastman Chemical Company
Andrew Ervin McLeod
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Security devices
Patent number
9,348,070
Issue date
May 24, 2016
De La Rue International Limited
Adam Lister
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Method for making an acetate tow band with shape and size used for...
Patent number
9,320,994
Issue date
Apr 26, 2016
Eastman Chemical Company
Andrew Ervin McLeod
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Method and device for manufacturing a sheet-like substrate
Patent number
9,243,366
Issue date
Jan 26, 2016
Giesecke & Devrient GmbH
Andreas Pretsch
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Security thread or stripe comprising oriented magnetic particles in...
Patent number
9,216,605
Issue date
Dec 22, 2015
SICPA Holding S.A.
Pierre Degott
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Security element
Patent number
8,740,095
Issue date
Jun 3, 2014
Giesecke & Devrient GmbH
Marius Dichtl
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Security document
Patent number
8,622,433
Issue date
Jan 7, 2014
Giesecke & Devrient GmbH
Georg Depta
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Thread and method of manufacturing the same, counterfeit preventive...
Patent number
8,573,651
Issue date
Nov 5, 2013
Toppan Printing Co., Ltd.
Kanako Seki
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Elongated security feature comprising machine-readable magnetic reg...
Patent number
8,550,340
Issue date
Oct 8, 2013
Giesecke & Devrient GmbH
Jurgen Schutzmann
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Security element and method for producing the same
Patent number
8,534,709
Issue date
Sep 17, 2013
Giesecke & Devrient GmbH
Winfried Hoffmuller
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Security paper, manufacturing method and security document obtained...
Patent number
8,512,518
Issue date
Aug 20, 2013
Fabrica Nacional de Moneda y Timbre-Real Casa de la Moneda
Vicente Garcia Juez
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
MICRO-OPTIC SECURITY DEVICE WITH ENHANCED WET-HARVEST RESISTANCE
Publication number
20240287739
Publication date
Aug 29, 2024
Crane & Co., Inc.
Michael Darroch
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MULTI-LAYER PRINTING SUBSTRATE WITH HIDDEN INFORMATION
Publication number
20230151551
Publication date
May 18, 2023
Landqart AG
Christoph KOCHER
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Multi-Luminescent Security Element and Value or Security Product Co...
Publication number
20220195293
Publication date
Jun 23, 2022
BUNDESDRUCKEREI GMBH
Christian Kunath
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
VOLUME HOLOGRAM SHEET TO BE EMBEDDED, FORGERY PREVENTION PAPER, AND...
Publication number
20210339555
Publication date
Nov 4, 2021
DAI NIPPON PRINTING CO., LTD.
Nobuko Oikawa
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
METHOD OF TAGGING A SUBSTRATE
Publication number
20210324584
Publication date
Oct 21, 2021
Omya International AG
Roger Bollström
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
METHOD FOR FABRICATION OF NON-SPHERICAL/ASYMMETRIC FINE PARTICLES B...
Publication number
20200246866
Publication date
Aug 6, 2020
University-Industry Cooperation Group of Kyung Hee University
Wook PARK
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SHEET MANUFACTURING APPARATUS, RECORDING SHEET, AND SHEET MANUFACTU...
Publication number
20200190743
Publication date
Jun 18, 2020
SEIKO EPSON CORPORATION
Toshiaki YAMAGAMI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
VOLUME HOLOGRAM SHEET TO BE EMBEDDED, FORGERY PREVENTION PAPER, AND...
Publication number
20190232709
Publication date
Aug 1, 2019
DAI NIPPON PRINTING CO., LTD.
Nobuko Oikawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
SECURITY ELEMENT AND DATA CARRIER PROVIDED WITH SAME
Publication number
20180354292
Publication date
Dec 13, 2018
Björn TEUFEL
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
METHOD OF TAGGING A SUBSTRATE
Publication number
20180340298
Publication date
Nov 29, 2018
Omya International AG
Roger Bollström
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
METHOD AND APPARATUS FOR MANUFACTURING WATERMARKED PAPER
Publication number
20180251943
Publication date
Sep 6, 2018
FEDRIGONI S.P.A.
Ivo PLANETA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF MAKING AN ACETATE TOW BAND WITH SHAPE AND SIZE USED FOR C...
Publication number
20180078887
Publication date
Mar 22, 2018
Eastman Chemical Company
Andrew Ervin McLeod
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
SECURITY DEVICES FOR SECURITY SUBSTRATES
Publication number
20170129273
Publication date
May 11, 2017
DE LA RUE INTERNATIONAL LIMITED, HAMPSHIRE, UNITED KINGDOM;
Lawrence George COMMANDER
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
METHOD OF FORMING A SECURITY DOCUMENT
Publication number
20170015130
Publication date
Jan 19, 2017
De La Rue International Limited
Robert WHITEMAN
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
OPTICALLY VARIABLE SECURITY THREADS AND STRIPES
Publication number
20160251806
Publication date
Sep 1, 2016
SICPA Holding S.A.
Gebhard RITTER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR THE SURFACE APPLICATION OF A SECURITY DEVICE TO A SUBSTRATE
Publication number
20160229215
Publication date
Aug 11, 2016
CRANE & CO., INC.
Giles D. Prett
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
OPTICALLY VARIABLE SECURITY THREADS AND STRIPES
Publication number
20150314629
Publication date
Nov 5, 2015
SICPA Holding S.A.
Gebhard RITTER
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
Method and Device for Manufacturing a Sheet-Like Substrate
Publication number
20140332174
Publication date
Nov 13, 2014
Andreas Pretsch
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
Method for Manufacturing a Security Paper and Microlens Thread
Publication number
20140238628
Publication date
Aug 28, 2014
Rudolf Seidler
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
SECURITY DEVICES
Publication number
20140226212
Publication date
Aug 14, 2014
De La Rue International Limited
Adam Lister
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
SECURITY THREAD
Publication number
20140103632
Publication date
Apr 17, 2014
Arjowiggins Security
Michel Camus
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
ANTI-COUNTERFEITING FIBER, ANTI-COUNTERFEITING PAPER CONTAINING ANT...
Publication number
20130313484
Publication date
Nov 28, 2013
SHANGHAI KOS SECURITY PAPER TECHNOLOGY CO., LTD.
Xianlin Sun
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
FORGERY PREVENTING MEMBER, FORGERY PREVENTING SHEET, AND METHODS OF...
Publication number
20130270812
Publication date
Oct 17, 2013
Toru MURAKAMI
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
VALVE DOCUMENT HAVING AN AT LEAST PARTIALLY EMBEDDED SECURITY ELEMENT
Publication number
20130234426
Publication date
Sep 12, 2013
Matthias Müller
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
Security Structure Including Phosphorescent and Fluorescent Composi...
Publication number
20130147181
Publication date
Jun 13, 2013
ARJOWIGGINS SECURITY
Henrî Rosset
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
SECURITY THREAD OR STRIPE COMPRISING ORIENTED MAGNETIC PARTICLES IN...
Publication number
20130033032
Publication date
Feb 7, 2013
SICPA Holding S.A.
Pierre Degott
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
VOLUME HOLOGRAM SHEET TO BE EMBEDDED, FORGERY PREVENTION PAPER, AND...
Publication number
20120286504
Publication date
Nov 15, 2012
DAI NIPPON PRINTING CO., LTD.
Nobuko Oikawa
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
GOLD-COLORED THIN-FILM ELEMENT WITH MULTILAYER STRUCTURE
Publication number
20120242075
Publication date
Sep 27, 2012
Giesecke & Devrient GmbH
Hans Lochbihler
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
Elongated Security Feature Comprising Machine-Readable Magnetic Reg...
Publication number
20120168515
Publication date
Jul 5, 2012
Giesecke & Devrient GmbH
Jurgen Schutzmann
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
SECURITY PAPER, MANUFACTURING METHOD AND SECURITY DOCUMENT OBTAINE...
Publication number
20110284177
Publication date
Nov 24, 2011
Fabrica Nacional De Moneda Y Timbre- Real Casa De La Moneda
Vicente Garcia Juez
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE