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D21H17/28
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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
D21H17/00
Non-fibrous material added to the pulp, characterised by its constitution Paper-impregnating material characterised by its constitution
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D21H17/28
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Patents Grants
last 30 patents
Information
Patent Grant
Surface enhanced pulp fibers at a substrate surface
Patent number
12,359,375
Issue date
Jul 15, 2025
Domtar Paper Company, LLC
Bruno Marcoccia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition and its use for use in manufacture of paper, board or t...
Patent number
12,320,071
Issue date
Jun 3, 2025
Kemira Oyj
Matti Hietaniemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing cellulose pulp, cellulose pulp and use thereof...
Patent number
12,305,332
Issue date
May 20, 2025
Suzano S.A.
Otávio Mambrim Filho
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Binder and formed body producing method
Patent number
12,286,755
Issue date
Apr 29, 2025
Seiko Epson Corporation
Shigemi Wakabayashi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paperboard products with improved rigidity and moisture barrier pro...
Patent number
12,281,442
Issue date
Apr 22, 2025
Hoffmaster Group, Inc.
Mark Hunter
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Starch-cellulose composite material
Patent number
12,270,153
Issue date
Apr 8, 2025
Pratt Corrugated Holdings, Inc.
John Anagnostopoulos
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of making paper or board products
Patent number
12,203,223
Issue date
Jan 21, 2025
FIBERLEAN TECHNOLOGIES, LTD.
Per Svending
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluorocarbon-free and bio-based oil and water barrier materials com...
Patent number
12,163,291
Issue date
Dec 10, 2024
OrganoClick AB
Juhanes Aydin
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Preparation method of tea residue fiber raw materials and applicati...
Patent number
12,123,142
Issue date
Oct 22, 2024
Pengji Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Banded papers, smoking articles and methods
Patent number
12,108,784
Issue date
Oct 8, 2024
ALTRIA CLIENT SERVICES LLC
Ping Li
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Ply of a linerboard and a light weight linerboard for corrugated board
Patent number
12,053,964
Issue date
Aug 6, 2024
Stora Enso Oyj
Seppo Lampainen
B32 - LAYERED PRODUCTS
Information
Patent Grant
Acrylate and non-acrylate based chemical compositions for selective...
Patent number
12,037,749
Issue date
Jul 16, 2024
Footprint International, LLC
Yoke Dou Chung
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Fiber-based microwave bowls with selective spray coating
Patent number
12,031,276
Issue date
Jul 9, 2024
Footprint International, LLC
Yoke Dou Chung
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Sag-resistant acoustic board
Patent number
12,031,322
Issue date
Jul 9, 2024
AWI Licensing LLC
Charles G Krick
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polyol fatty acid ester carrier compositions
Patent number
11,987,935
Issue date
May 21, 2024
Chemstone, Inc.
Jonathan Spender
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Reinforced paper for packaging of medical devices
Patent number
11,976,420
Issue date
May 7, 2024
PELTA MEDICAL PAPERS LTD
Lars Wahlstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Soft tissue produced using a structured fabric and energy efficient...
Patent number
11,959,226
Issue date
Apr 16, 2024
First Quality Tissue, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for dissolving starch
Patent number
11,932,707
Issue date
Mar 19, 2024
Kemira Oyj
Asko Karppi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Light weight linerboard for corrugated board
Patent number
11,926,128
Issue date
Mar 12, 2024
Stora Enso Oyj
Seppo Lampainen
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method for producing paper
Patent number
11,926,968
Issue date
Mar 12, 2024
Kurita Water Industries Ltd.
Takashi Saigusa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for treating a fibrous material comprising nanocellulose wit...
Patent number
11,920,297
Issue date
Mar 5, 2024
Stora Enso Oyj
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sheet producing method and sheet producing apparatus
Patent number
11,866,885
Issue date
Jan 9, 2024
Seiko Epson Corporation
Masahide Nakamura
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Formed body producing method
Patent number
11,859,346
Issue date
Jan 2, 2024
Seiko Epson Corporation
Shigemi Wakabayashi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiber body manufacturing method
Patent number
11,859,348
Issue date
Jan 2, 2024
Seiko Epson Corporation
Masahide Nakamura
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Oil-resistant agent for paper
Patent number
11,851,822
Issue date
Dec 26, 2023
Daikin Industries, Ltd.
Yuuki Yamamoto
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process of making paper and paperboard products
Patent number
11,846,072
Issue date
Dec 19, 2023
FiberLean Technologies Limited
Per Svending
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Soft tissue produced using a structured fabric and energy efficient...
Patent number
11,807,992
Issue date
Nov 7, 2023
First Quality Tissue, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper for transfer pattern printing
Patent number
11,801,701
Issue date
Oct 31, 2023
BEAVER PAPER & GRAPIC MEDIA, INC.
Knud Villefrance Rasmussen
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Paper strength improving additives, their manufacture and use in pa...
Patent number
11,802,376
Issue date
Oct 31, 2023
KEMIRA OYJ
Chen Lu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and device for starch application
Patent number
11,767,638
Issue date
Sep 26, 2023
Voith Patent GmbH
Christoph Henninger
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Information
Patent Application
WATER- AND OIL-REPELLENT AGENT
Publication number
20250230610
Publication date
Jul 17, 2025
DAIKEN INDUSTRIES, LTD.
Michio MATSUDA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
INSULATION PANEL FOR SHIPPING CARTONS AND METHOD OF MANUFACTURING T...
Publication number
20250207333
Publication date
Jun 26, 2025
SIMPLE CONTAINER SOLUTIONS, INC.
Charles S. VEISEH
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
STARCH-CELLULOSE COMPOSITE MATERIAL
Publication number
20250188679
Publication date
Jun 12, 2025
Pratt Corrugated Holdings, Inc.
John Anagnostopoulos
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
SHEET MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING SHEETS
Publication number
20250171960
Publication date
May 29, 2025
SEIKO EPSON CORPORATION
Hidemasa KANADA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A FLUOROCHEMICAL-FREE GREASE-BARRIER PAPER
Publication number
20250163645
Publication date
May 22, 2025
Billerud Aktiebolag (publ)
Lars Wahlstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FLOUROCARBON FREE AND BIOBASED OIL AND WATER BARRIER MATERIALS
Publication number
20250059711
Publication date
Feb 20, 2025
ORGANOCLICK AB
Juhanes AYDIN
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
RECYCLABLE PAPER OF HIGH WET STRENGTH
Publication number
20250052008
Publication date
Feb 13, 2025
Billerud Aktiebolag (publ)
Karin Athley
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CITRIC ACID-CATALYSED CURRAN MODIFIED CARD BOARD MATERIALS
Publication number
20250003152
Publication date
Jan 2, 2025
Cellucomp Limited
Eric Arron WHALE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
FIBER-BASED MICROWAVABLE BOWLS WITH SELECTIVE SPRAY COATING
Publication number
20240360629
Publication date
Oct 31, 2024
Footprint International, LLC
Yoke Dou Chung
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
METHODS, APPARATUS, AND CHEMICAL COMPOSITIONS FOR SELECTIVELY COATI...
Publication number
20240360630
Publication date
Oct 31, 2024
Footprint International, LLC
Yoke Dou Chung
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
FOAM FORMULATIONS FOR APPLICATION OF DRY STRENGTH AGENTS
Publication number
20240360626
Publication date
Oct 31, 2024
Solenis Technologies, L.P.
Ashley Hawkins Lewis
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBER WEB PRODUCT AND MANUFACTURING METHOD OF THE SAME
Publication number
20240352676
Publication date
Oct 24, 2024
KAWANO PAPER CO., LTD.
Kenji TANIGUCHI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Polyol Fatty Acid Ester Carrier Compositions
Publication number
20240301630
Publication date
Sep 12, 2024
CHEMSTONE, INC.
Jonathan Spender
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Composite Body
Publication number
20240271366
Publication date
Aug 15, 2024
SEIKO EPSON CORPORATION
Tomoyuki USHIYAMA
B24 - GRINDING POLISHING
Information
Patent Application
MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD
Publication number
20240240406
Publication date
Jul 18, 2024
STORA ENSO OYJ
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A method, a paperboard product and use of a foam coater and a subse...
Publication number
20240229361
Publication date
Jul 11, 2024
METSÄ BOARD OYJ
Ari Kiviranta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...
Publication number
20240218604
Publication date
Jul 4, 2024
FIRST QUALITY TISSUE, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...
Publication number
20240218605
Publication date
Jul 4, 2024
FIRST QUALITY TISSUE, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER MATERIAL FOR FLUID CONTAINERS HAVING CHARACTERISTICS OF CALIB...
Publication number
20240191437
Publication date
Jun 13, 2024
Gruppo Cordenons S.p.A.
Luca Monacelli
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
POLYMER DISPERSION, ITS USE AND METHOD FOR ITS MANUFACTURE
Publication number
20240191013
Publication date
Jun 13, 2024
KEMIRA OYJ
Taru JOKINEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SYSTEMS AND METHODS FOR PRODUCTION OF STARCH-LOADED FIBRILLATED FIBERS
Publication number
20240175211
Publication date
May 30, 2024
Domtar Paper Company, LLC
Harshad Pande
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A method, a paperboard product and use of a foam coater and a subse...
Publication number
20240133122
Publication date
Apr 25, 2024
METSÄ BOARD OYJ
Ari Kiviranta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF PAPER AND PAPERBOARD PRODUCTS
Publication number
20240133123
Publication date
Apr 25, 2024
FiberLean Technologies Limited
Per SVENDING
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESSES FOR IMPARTING OIL AND GREASE RESISTANCE TO PAPER PRODUCTS
Publication number
20240133120
Publication date
Apr 25, 2024
ECOLAB USA INC.
William C. Johnson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
IMPROVED WRAPPING PAPER HAVING A LOW DIFFUSION CAPACITY
Publication number
20240122231
Publication date
Apr 18, 2024
delfortgroup AG
Roland Zitturi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
PROCESS FOR PRODUCING AND USING FIBRILLATED BIODEGRADABLE MICROFIBERS
Publication number
20240102238
Publication date
Mar 28, 2024
nicholas morris
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
PAPER AND PAPERBOARD PRODUCTS
Publication number
20240102249
Publication date
Mar 28, 2024
FiberLean Technologies Limited
Per SVENDING
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING MOLDED PRODUCT
Publication number
20240093432
Publication date
Mar 21, 2024
SEIKO EPSON CORPORATION
Masahiko NAKAZAWA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Preparation Method of Tea Residue Fiber Raw Materials and Applicati...
Publication number
20240018722
Publication date
Jan 18, 2024
ZENCE OBJECT TECHNOLOGY (SHENZHEN) CO., LTD.
PENGJI CHEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING MOLDED BODY
Publication number
20240003090
Publication date
Jan 4, 2024
SEIKO EPSON CORPORATION
Shigemi WAKABAYASHI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE