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D21H21/18
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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
D21H21/18
Reinforcing agents
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Patents Grants
last 30 patents
Information
Patent Grant
Molded pulp article and method for producing molded pulp article
Patent number
12,195,924
Issue date
Jan 14, 2025
TOPPAN INC.
Koji Sakairi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cellulosic fiber additive formed from Kombucha biofilms
Patent number
12,098,508
Issue date
Sep 24, 2024
Shaun Moshasha
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Refined cellulose fiber composition
Patent number
12,084,563
Issue date
Sep 10, 2024
Stora Enso Oyj
Ulla Jansson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Lignocellulosic composites prepared with aqueous alkaline and urea...
Patent number
12,060,679
Issue date
Aug 13, 2024
Bradley University
Brent Tisserat
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Method for producing anionic polymers and use as resistance agents...
Patent number
12,043,676
Issue date
Jul 23, 2024
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Papermaking agent, manufacturing method for papermaking agent and p...
Patent number
12,018,437
Issue date
Jun 25, 2024
Arakawa Chemical Industries, Ltd.
Ryusuke Kambara
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Tissue product made using laser engraved structuring belt
Patent number
12,006,635
Issue date
Jun 11, 2024
STRUCTURED I, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sheet
Patent number
11,987,675
Issue date
May 21, 2024
Oji Holdings Corporation
Koh Sakai
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
Packing paper
Patent number
11,965,291
Issue date
Apr 23, 2024
Mondi AG
Elisabeth Schwaiger
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
Low molecular weight dry powder polymer for use as paper-making dry...
Patent number
11,939,309
Issue date
Mar 26, 2024
Ecolab USA Inc.
Heqing Huang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and system for controlling temperature of a circulating foa...
Patent number
11,920,298
Issue date
Mar 5, 2024
Kimberly-Clark Worldwide, Inc.
Aisan Khodaei
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper enhancing compositions, uses thereof and enhanced paper
Patent number
11,905,663
Issue date
Feb 20, 2024
ITI Technologies, Inc.
David H. Creasey
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
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
Fibrous body manufacturing method and fibrous body manufacturing ap...
Patent number
11,802,377
Issue date
Oct 31, 2023
Seiko Epson Corporation
Masahiko Nakazawa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Powdery paper-strengthening agent, paper-strengthening agent soluti...
Patent number
11,795,620
Issue date
Oct 24, 2023
Arakawa Chemical Industries, Ltd.
Ryusuke Kambara
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Grant
Paper enhancing compositions, uses thereof and enhanced paper
Patent number
11,767,640
Issue date
Sep 26, 2023
ITI Technologies, Inc.
David H. Creasey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paperboard product
Patent number
11,753,773
Issue date
Sep 12, 2023
General Mills, Inc.
George Tuszkiewicz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for fast dissolution of powder comprising low molecular wei...
Patent number
11,718,696
Issue date
Aug 8, 2023
Ecolab USA Inc.
Heqing Huang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of manufacturing of a foam-formed cellulosic fibre-material,...
Patent number
11,692,313
Issue date
Jul 4, 2023
Tetra Laval Holdings & Finance S.A.
Mats Aldén
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Binder for glass paper
Patent number
11,673,979
Issue date
Jun 13, 2023
Denki Kagaku Kogyo Kabushiki Kaisha
Nobuyuki Tanno
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Soft, low lint, through air dried tissue and method of forming the...
Patent number
11,674,266
Issue date
Jun 13, 2023
First Quality Tissue, LLC
James E. Sealey
B32 - LAYERED PRODUCTS
Information
Patent Grant
Soft, low lint, through air dried tissue and method of forming the...
Patent number
11,668,052
Issue date
Jun 6, 2023
First Quality Tissue, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Complex of polymers, preparation and use
Patent number
11,608,597
Issue date
Mar 21, 2023
S.P.C.M. SA
Gatien Faucher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Device for deacidifying, reinforcing and strengthening ancient books
Patent number
11,549,218
Issue date
Jan 10, 2023
South China University of Technology
Huiming Fan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
Kombucha Cellulose-based Derivative Refined from a Symbiotic Colony...
Publication number
20250012013
Publication date
Jan 9, 2025
Shaun Moshasha
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PALLET OUTER PACKAGING PAPER
Publication number
20250012015
Publication date
Jan 9, 2025
Mondi AG
Lars Göran BERGLUND
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
RECYCLABLE COMPOSITE HAVING DISSOLVABLE POLYMER LAYER, METHOD FOR F...
Publication number
20240376671
Publication date
Nov 14, 2024
Ahlstrom Oyj
Corey Bishop
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING PAPER AND CARDBOARD
Publication number
20240376672
Publication date
Nov 14, 2024
SNF Group
Cyril BARRIERE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR ON-SITE GLYOXYLATION OF POLYACRYLAMIDE
Publication number
20240360253
Publication date
Oct 31, 2024
KEMIRA OYJ
Asko KARPPI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
LOW MOLECULAR WEIGHT DRY POWDER POLYMER FOR USE AS PAPER-MAKING DRY...
Publication number
20240262802
Publication date
Aug 8, 2024
ECOLAB USA INC.
Heqing Huang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CONTAINER
Publication number
20240262590
Publication date
Aug 8, 2024
Bluewater Innovations AB
Bengt Rittri
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
USE OF AN ANIONIC ADDITIVE TO IMPROVE DRY STRENGTH COMPOSITION PERF...
Publication number
20240263400
Publication date
Aug 8, 2024
ECOLAB USA INC.
David Steven JORDAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD
Publication number
20240240408
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
MOLDED PULP ARTICLE AND METHOD FOR PRODUCING MOLDED PULP ARTICLE
Publication number
20240200275
Publication date
Jun 20, 2024
TOPPAN INC.
Koji SAKAIRI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING PAPER AND CARDBOARD
Publication number
20240200270
Publication date
Jun 20, 2024
Cyril BARRIERE
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
Process and System for Controlling Temperature of a Circulating Foa...
Publication number
20240175209
Publication date
May 30, 2024
Kimberly-Clark Worldwide, Inc.
Aisan Khodaei
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WATER RESISTANT AND REPULPABLE COMPOSITIONS
Publication number
20240175215
Publication date
May 30, 2024
Neenah, Inc.
Norm TOMLINSON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR OBTAINING REINFORCED PACKAGING PAPER
Publication number
20240150968
Publication date
May 9, 2024
Consejo Superior de Investigaciones Cientificas (CSIC)
Nuria GOMEZ HERNANDEZ
C13 - SUGAR INDUSTRY
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
A TREATMENT SYSTEM FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE
Publication number
20240093433
Publication date
Mar 21, 2024
KEMIRA OYJ
Matti HIETANIEMI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITIONS AND METHODS FOR PAPERMAKING
Publication number
20240068168
Publication date
Feb 29, 2024
ECOLAB USA INC.
Mingli WEI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING WET-RUNNING FRICTION PAPER
Publication number
20240035235
Publication date
Feb 1, 2024
SCHAEFFLER TECHNOLOGIES AG & CO. KG
Stefan STEINMETZ
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
AQUEOUS DISPERSION FOR IMPROVING BARRIER PROPERTIES
Publication number
20230416991
Publication date
Dec 28, 2023
ACTEGA DS GMBH
Anna Maier
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Process and System for Controlling Temperature of a Circulating Foa...
Publication number
20230399799
Publication date
Dec 14, 2023
Kimberly-Clark Worldwide, Inc.
Aisan Khodaei
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER ENHANCING COMPOSITIONS, USES THEREOF AND ENHANCED PAPER
Publication number
20230366154
Publication date
Nov 16, 2023
ITI Technologies, Inc.
David H. Creasey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LOW CELLULOSIC NON-WOOD FIBER PRODUCTS AND METHODS OF MAKING THE SAME
Publication number
20230332357
Publication date
Oct 19, 2023
Archer-Daniels-Midland Company
Ali Ayoub
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHODS FOR ANALYZING PAPER AND IMPROVING THE EFFECTIVENESS OF PAPE...
Publication number
20230313462
Publication date
Oct 5, 2023
Solenis Technologies, L.P.
Matthew Nicholas
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
STRENGTH IMPROVEMENT VIA SPRAYBOOM APPLICATION
Publication number
20230313467
Publication date
Oct 5, 2023
ECOLAB USA INC.
David Steven JORDAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE