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D21H23/48
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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
D21H23/00
Processes or apparatus for adding material to the pulp or to the paper
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D21H23/48
Curtain coaters
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Patents Grants
last 30 patents
Information
Patent Grant
Coated paper
Patent number
12,312,746
Issue date
May 27, 2025
Koehler Innovation & Technology GmBH
Aljoscha Föll
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Multilayer film comprising highly refined cellulose fibers
Patent number
12,258,710
Issue date
Mar 25, 2025
Stora Enso Oyj
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for applying starch to a paper or paperboard web
Patent number
12,258,715
Issue date
Mar 25, 2025
Stora Enso Oyj
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for manufacturing paper barrier base material
Patent number
12,071,728
Issue date
Aug 27, 2024
Nippon Paper Industries Co., Ltd.
Yuri Oishi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paperboard and a method of producing a paperboard
Patent number
11,952,718
Issue date
Apr 9, 2024
Stora Enso Oyj
Frank Peng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Viscosity modified formaldehyde-free binder compositions and methods
Patent number
11,952,689
Issue date
Apr 9, 2024
Johns Manville
Zhihua Guo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for manufacturing paper barrier base material
Patent number
11,834,791
Issue date
Dec 5, 2023
Nippon Paper Industries Co., Ltd.
Kenta Watanabe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for production of film comprising microfibrillated cellulose
Patent number
11,834,793
Issue date
Dec 5, 2023
Stora Enso Oyj
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Curtain applicator
Patent number
11,833,540
Issue date
Dec 5, 2023
Voith Patent GmbH
Tadashi Sasa
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Device for applying a treatment substance
Patent number
11,718,961
Issue date
Aug 8, 2023
Andritz Kusters GmbH
Eduard Davydenko
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions
Patent number
11,655,594
Issue date
May 23, 2023
FiberLean Technologies Limited
John Claude Husband
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Curtain application unit and method for applying an application medium
Patent number
11,434,607
Issue date
Sep 6, 2022
Voith Patent GmbH
Benjamin Mendez-Gallon
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Curtain applicator and method for applying an application medium
Patent number
11,407,001
Issue date
Aug 9, 2022
Voith Patent GmbH
Tadashi Sasa
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Oil and grease resistant paperboard
Patent number
11,326,308
Issue date
May 10, 2022
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for production of a product comprising a first ply
Patent number
11,319,672
Issue date
May 3, 2022
Stora Enso Oyj
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for sizing a multi-ply fiber web and a forming section for a...
Patent number
11,299,857
Issue date
Apr 12, 2022
Valmet Technologies, Inc.
Reijo Pietikäinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and system for manufacturing a coated paperboard and a coate...
Patent number
11,220,788
Issue date
Jan 11, 2022
Kotkamills Group Oyj
Filip Sundholm
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions
Patent number
11,136,721
Issue date
Oct 5, 2021
FiberLean Technologies Limited
John Claude Husband
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Barrier coatings
Patent number
10,934,448
Issue date
Mar 2, 2021
Cargill, Incorporated
Mercedes Brighenti
B32 - LAYERED PRODUCTS
Information
Patent Grant
Soy protein and carbohydrate containing binder compositions
Patent number
10,934,646
Issue date
Mar 2, 2021
Johns Manville
Uranchimeg Lester
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Viscosity modified formaldehyde-free binder compositions
Patent number
10,815,593
Issue date
Oct 27, 2020
Johns Manville
Zhihua Guo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Oil and grease resistant paperboard
Patent number
10,519,604
Issue date
Dec 31, 2019
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Printable compostable paperboard
Patent number
10,253,458
Issue date
Apr 9, 2019
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions
Patent number
10,253,457
Issue date
Apr 9, 2019
FiberLean Technologies Limited
John Claude Husband
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Soy protein and carbohydrate containing binder compositions
Patent number
10,208,414
Issue date
Feb 19, 2019
Johns Manville
Uranchimeg Lester
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Coating composition, a method for coating a substrate, a coated sub...
Patent number
10,125,286
Issue date
Nov 13, 2018
BILLERUDKORSNAS SKOG & INDUSTRI AKTIEBOLAG
Johan Larsson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process and apparatus for coating composite pulp honeycomb support...
Patent number
10,058,885
Issue date
Aug 28, 2018
Fredy Iseli
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method for manufacturing toilet roll products and toilet roll products
Patent number
10,029,436
Issue date
Jul 24, 2018
Daio Paper Corporation
Akira Hirasawa
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Printable compostable paperboard
Patent number
9,920,485
Issue date
Mar 20, 2018
WestRock MWV, LLC
Steven Parker
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Coated substrate and system and method for making the same
Patent number
9,908,144
Issue date
Mar 6, 2018
Styron Europe GmbH
Pekka Johannes Salminen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
A METHOD AND A SYSTEM FOR MANUFACTURING A PAPERBOARD
Publication number
20250146229
Publication date
May 8, 2025
Max MOHAMMADI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING A MULTIPLY PAPERBOARD, AND A MULTIPLY PAPE...
Publication number
20240426060
Publication date
Dec 26, 2024
STORA ENSO OYJ
Pasi Valkamo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
VISCOSITY MODIFIED GLASS FIBER PRODUCTS
Publication number
20240247419
Publication date
Jul 25, 2024
JOHNS MANVILLE
Zhihua Guo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR MANUFACTURING A BARRIER FILM COMPRISING HIGHLY REFINED C...
Publication number
20240229358
Publication date
Jul 11, 2024
STORA ENSO OYJ
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING A BARRIER FILM COMPRISING HIGHLY REFINED C...
Publication number
20240133118
Publication date
Apr 25, 2024
STORA ENSO OYJ
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
POLYLACTIDE FORMULATION FOR IMPROVED EXTRUSION PROCESSING
Publication number
20230374734
Publication date
Nov 23, 2023
WestRock MWV, LLC
Rahul Bhardwaj
B32 - LAYERED PRODUCTS
Information
Patent Application
COMPOSITIONS
Publication number
20230243104
Publication date
Aug 3, 2023
FiberLean Technologies Limited
John Claude HUSBAND
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS
Publication number
20230151545
Publication date
May 18, 2023
STORA ENSO OYJ
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COATED PAPER
Publication number
20230039088
Publication date
Feb 9, 2023
KOEHLER INNOVATION & TECHNOLOGY GMBH
Aljoscha FÖLL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PRODUCTION OF SHEETS COMPRISING FIBRILLATED CELLULOSE
Publication number
20220251784
Publication date
Aug 11, 2022
BILLERUDKORSNÄS AB
Yunus Can Gorur
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR APPLYING STARCH TO A PAPER OR PAPERBOARD WEB
Publication number
20220243401
Publication date
Aug 4, 2022
STORA ENSO OYJ
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCTION OF A PRODUCT COMPRISING A FIRST PLY
Publication number
20220228319
Publication date
Jul 21, 2022
STORA ENSO OYJ
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING PAPER BARRIER BASE MATERIAL
Publication number
20220213652
Publication date
Jul 7, 2022
NIPPON PAPER INDUSTRIES CO., LTD.
Yuri OISHI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING PAPER BARRIER BASE MATERIAL
Publication number
20220154403
Publication date
May 19, 2022
NIPPON PAPER INDUSTRIES CO., LTD.
Kenta WATANABE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A PAPERBOARD AND A METHOD OF PRODUCING A PAPERBOARD
Publication number
20220074144
Publication date
Mar 10, 2022
STORA ENSO OYJ
Frank Peng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITIONS
Publication number
20210395950
Publication date
Dec 23, 2021
FiberLean Technologies Limited
John Claude HUSBAND
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DEVICE FOR APPLYING A TREATMENT SUBSTANCE
Publication number
20210189660
Publication date
Jun 24, 2021
Andritz Kusters GmbH
Eduard Davydenko
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR PRODUCTION OF FILM COMPRISING MICROFIBRILLATED CELLULOSE
Publication number
20210054570
Publication date
Feb 25, 2021
STORA ENSO OYJ
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
VISCOSITY MODIFIED FORMALDEHYDE-FREE BINDER COMPOSITIONS AND METHODS
Publication number
20200407896
Publication date
Dec 31, 2020
JOHNS MANVILLE
Zhihua Guo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCTION OF A PRODUCT COMPRISING A FIRST PLY
Publication number
20200407918
Publication date
Dec 31, 2020
STORA ENSO OYJ
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CURTAIN APPLICATOR
Publication number
20200316636
Publication date
Oct 8, 2020
VOITH PATENT GmbH
TADASHI SASA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
CURTAIN APPLICATION UNIT AND METHOD FOR APPLYING AN APPLICATION MEDIUM
Publication number
20200256017
Publication date
Aug 13, 2020
VOITH PATENT GmbH
BENJAMIN MENDEZ-GALLON
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
METHOD FOR COATING A MATERIAL WEB
Publication number
20200164399
Publication date
May 28, 2020
VOITH PATENT GmbH
MARTIN SCHMID
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Method for Sizing a Multi-ply Fiber Web and a Forming Section for a...
Publication number
20200115854
Publication date
Apr 16, 2020
VALMET TECHNOLOGIES, INC.
Reijo Pietikäinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
OIL AND GREASE RESISTANT PAPERBOARD
Publication number
20200109517
Publication date
Apr 9, 2020
WestRock MWV, LLC
Jiebin PANG
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Curtain Applicator and Method for Applying an Application Medium
Publication number
20200038901
Publication date
Feb 6, 2020
VOITH PATENT GmbH
TADASHI SASA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITIONS
Publication number
20190177919
Publication date
Jun 13, 2019
FiberLean Technologies Limited
John Claude HUSBAND
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
OIL AND GREASE RESISTANT PAPERBOARD
Publication number
20190161914
Publication date
May 30, 2019
WestRock MWV, LLC
Jiebin PANG
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SOY PROTEIN AND CARBOHYDRATE CONTAINING BINDER COMPOSITIONS
Publication number
20190048501
Publication date
Feb 14, 2019
JOHNS MANVILLE
Uranchimeg Lester
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
BARRIER COATINGS
Publication number
20180362792
Publication date
Dec 20, 2018
Cargill, Incorporated
Mercedes BRIGHENTI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...