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Polymers of unsaturated acids or derivatives thereof
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CPC
D21H17/37
This industry / category may be too specific. Please go to a parent level for more data
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
Current Industry
D21H17/37
Polymers of unsaturated acids or derivatives thereof
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Patents Grants
last 30 patents
Information
Patent Grant
Wet laid disposable absorbent structures with high wet strength and...
Patent number
11,976,421
Issue date
May 7, 2024
First Quality Tissue, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Waterborne adhesives for reduced basis weight multilayer substrates...
Patent number
11,970,634
Issue date
Apr 30, 2024
Henkel AG & Co. KGaA
Tianjian Huang
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
Water-dispersible composite structure and method of producing the same
Patent number
11,885,072
Issue date
Jan 30, 2024
Paptic Oy
Karita Kinnunen-Raudaskoski
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
Method of producing a fibrous product and a fibrous product
Patent number
11,828,025
Issue date
Nov 28, 2023
Paptic Oy
Karita Kinnunen-Raudaskoski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Coating for recyclable paper
Patent number
11,814,795
Issue date
Nov 14, 2023
JL Darling LLC
John T. Mattingly
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
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
Method of producing absorbent structures with high wet strength, ab...
Patent number
11,725,345
Issue date
Aug 15, 2023
STRUCTURED I, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Filtered smoking article
Patent number
11,717,023
Issue date
Aug 8, 2023
Japan Tobacco Inc.
Toru Sakurai
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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 for producing multi-layer paper
Patent number
11,680,371
Issue date
Jun 20, 2023
Solenis Technologies, L.P.
Christoph Hamers
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Surface sizing composition, method of production, and use thereof
Patent number
11,673,982
Issue date
Jun 13, 2023
Kemira Oyj
Anneli Lepo
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
Method for manufacturing multi-layered fibrous web and multi-layere...
Patent number
11,655,593
Issue date
May 23, 2023
Kemira Oyj
Matti Hietaniemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Additive based on water-soluble polymers and uses thereof
Patent number
11,629,211
Issue date
Apr 18, 2023
SNF GROUP
René Hund
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
Grafted crosslinked cellulose
Patent number
11,591,429
Issue date
Feb 28, 2023
International Paper Company
Karen Brogan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fiber assembly-forming method and fiber assembly-forming apparatus
Patent number
11,566,378
Issue date
Jan 31, 2023
Seiko Epson Corporation
Tetsuya Aoyama
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Manufacture of absorbent paper with low charge density imidazoliniu...
Patent number
11,542,662
Issue date
Jan 3, 2023
GPCP IP Holdings LLC
Yu Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for manufacture of paper or board and paper or board obtaine...
Patent number
11,535,985
Issue date
Dec 27, 2022
Kemira Oyj
Yuping Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing polymer solutions
Patent number
11,518,695
Issue date
Dec 6, 2022
Kemira Oyj
Asko Karppi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-dispersible composite structure and method of producing the same
Patent number
11,512,434
Issue date
Nov 29, 2022
Paptic Oy
Karita Kinnunen-Raudaskoski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Softener composition
Patent number
11,492,760
Issue date
Nov 8, 2022
Kemira Oyj
Chen Lu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
Papermaking Method
Publication number
20240110337
Publication date
Apr 4, 2024
Billerud Aktiebolag (publ)
Eero Antero Valtanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
STABLE CATIONIC POLYACRYLAMIDE DISPERSIONS AND USE THEREOF IN PAPER...
Publication number
20240052573
Publication date
Feb 15, 2024
KEMIRA OYJ
Marko LAAKKONEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR MANUFACTURING PAPER OR CARDBOARD
Publication number
20240044082
Publication date
Feb 8, 2024
SNF Group
Cyril BARRIERE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CERAMIC PAPER AND METHOD FOR PREPARING SAME
Publication number
20240003088
Publication date
Jan 4, 2024
ENVIONEER CO., LTD
Jeong Cheol HAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WET LAID DISPOSABLE ABSORBENT STRUCTURES WITH HIGH WET STRENGTH AND...
Publication number
20230407575
Publication date
Dec 21, 2023
FIRST QUALITY TISSUE, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
IMPREGNATED CORE PAPER FOR DECORATIVE LAMINATE
Publication number
20230407572
Publication date
Dec 21, 2023
Andrea MÜHLBAUER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FLAME-RESISTANT PAPER FOR RADIO WAVE ABSORBER MEMBER AND PRODUCTION...
Publication number
20230323603
Publication date
Oct 12, 2023
TORAY INDUSTRIES, INC.
Tomoko Takano
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Resin-Impregnated Fibrous Material in the Form of a Sheet or a Web
Publication number
20230279613
Publication date
Sep 7, 2023
BASF SE
Manfred BIEHLER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SOFT, LOW LINT, THROUGH AIR DRIED TISSUE AND METHOD OF FORMING THE...
Publication number
20230265616
Publication date
Aug 24, 2023
FIRST QUALITY TISSUE, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WATER-SOLUBLE POLYMER COMPOSITION
Publication number
20230227649
Publication date
Jul 20, 2023
SUMITOMO SEIKA CHEMICALS CO., LTD.
Naoki SAINOU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
GRAFTED CROSSLINKED CELLULOSE
Publication number
20230212341
Publication date
Jul 6, 2023
International Paper Company
Karen Brogan
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR PITCH CONTROL DURING BLEACHING
Publication number
20230212821
Publication date
Jul 6, 2023
KEMIRA OYJ
Leif ROBERTSEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPERMAKING AGENT, MANUFACTURING METHOD FOR PAPERMAKING AGENT AND P...
Publication number
20230203756
Publication date
Jun 29, 2023
Arakawa Chemical Industries, Ltd.
Ryusuke Kambara
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIRE RETARDANT PAPER
Publication number
20230167610
Publication date
Jun 1, 2023
Thermal Ceramics, Inc.
Jensen Plummer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER COATED WITH A FUNCTIONAL POLYOLEFIN FILM
Publication number
20230151549
Publication date
May 18, 2023
DOW GLOBAL TECHNOLOGIES LLC
Alan M. Piwowar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FUNCTIONAL PAPER FOR ELECTRONICS PRINTING AND METHODS OF MAKING
Publication number
20230136850
Publication date
May 4, 2023
North Carolina State University
Lokendra Pal
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD OF PREPARING ALDEHYDE-FUNCTIONALIZED POLYMERS
Publication number
20230128251
Publication date
Apr 27, 2023
ECOLAB USA INC.
HERMAN MARK GRIMM
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITION AND METHOD FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE
Publication number
20230122111
Publication date
Apr 20, 2023
KEMIRA OYJ
Kimmo Strengell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BINDING MATERIAL AND METHOD FOR MANUFACTURING MOLDED BODY
Publication number
20230116888
Publication date
Apr 13, 2023
SEIKO EPSON CORPORATION
Takumi SAGO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
NON-FLUORINATED COPOLYMER COMPOSITION AND OIL-RESISTANT AGENT FOR P...
Publication number
20230096888
Publication date
Mar 30, 2023
DAIKIN INDUSTRIES, LTD.
Michio MATSUDA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Papermaking Agent, Manufacturing Method For Papermaking Agent and P...
Publication number
20230085796
Publication date
Mar 23, 2023
Arakawa Chemical Industries, Ltd.
Ryusuke Kambara
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Water-dispersible composite structure and method of producing the same
Publication number
20230074973
Publication date
Mar 9, 2023
Paptic Oy
Karita Kinnunen-Raudaskoski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF REDUCING HYDROPHOBIC CONTAMINANTS IN A PULPING OR PAPERMA...
Publication number
20230071350
Publication date
Mar 9, 2023
Solenis Technologies, L.P.
Davit Edward Sharoyan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER FOR TRANSFER PATTERN PRINTING
Publication number
20230073763
Publication date
Mar 9, 2023
Beaver Paper & Graphic Media, Inc
Knud Villefrance Rasmussen
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POWDERY PAPER-STRENGTHENING AGENT, PAPER-STRENGTHENING AGENT SOLUTI...
Publication number
20230065141
Publication date
Mar 2, 2023
Arakawa Chemical Industries, Ltd.
Ryusuke KAMBARA
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Application
WATERBORNE ADHESIVES FOR REDUCED BASIS WEIGHT MULTILAYER SUBSTRATES...
Publication number
20220411674
Publication date
Dec 29, 2022
Henkel AG & Co, KGaA
Tianjian Huang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PACKING PAPER
Publication number
20220403602
Publication date
Dec 22, 2022
Mondi AG
Elisabeth SCHWAIGER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Aqueous Compositions with Improved Barrier Properties
Publication number
20220380981
Publication date
Dec 1, 2022
BASF SE
Paul ZEITS
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Method of producing a fibrous product and a fibrous product
Publication number
20220307201
Publication date
Sep 29, 2022
Paptic Oy
Karita Kinnunen-Raudaskoski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SACCHARIDE FATTY ACID ESTER LATEX BARRIER COATING COMPOSITIONS
Publication number
20220267960
Publication date
Aug 25, 2022
GREENTECH GLOBAL PTE. LTD.
Michael Albert BILODEAU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE