during paper manufacture

Industry

CPC
D21H23/24

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

DTEXTILES PAPER D21Papermaking D21HPULP 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 D21H23/00Processes or apparatus for adding material to the pulp or to the paper

Current Industry

D21H23/24during paper manufacture

Industries

Patents Grantslast 30 patents

Information Patent Grant
Coated plug wrap for a smoking article
- Patent number 12,029,236
- Issue date Jul 9, 2024
- SWM Holdings US, LLC
- Marcus Aurelius Goldoni
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for coating a fibrous web, and a surface coated fibrous web
- Patent number 12,006,633
- Issue date Jun 11, 2024
- Stora Enso Oyj
- Kaj Backfolk
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fiber body forming method and fiber body forming apparatus
- Patent number 11,680,372
- Issue date Jun 20, 2023
- Seiko Epson Corporation
- Tetsuya Aoyama
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Porous electrode substrate and production method therefor
- Patent number 11,515,541
- Issue date Nov 29, 2022
- Mitsubishi Chemical Corporation
- Kyu Ota
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Fiber body forming method and sheet
- Patent number 11,492,759
- Issue date Nov 8, 2022
- Seiko Epson Corporation
- Shigemi Wakabayashi
- 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
Information Patent Grant
Foam assisted application of strength additives to paper products
- Patent number 11,365,515
- Issue date Jun 21, 2022
- Solenis Technologies, L.P.
- Mingxiang Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber body forming method and fiber body forming apparatus
- Patent number 11,346,054
- Issue date May 31, 2022
- Seiko Epson Corporation
- Tetsuya Aoyama
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyimide fiber sheet
- Patent number 11,230,810
- Issue date Jan 25, 2022
- DU PONT-TORAY CO., LTD.
- Hideaki Machida
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Natural fiber reinforced composite panel and method
- Patent number 11,180,891
- Issue date Nov 23, 2021
- The Regents of the University of Michigan
- Mihaela Banu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sizing method for making paper and paper prepared thereof
- Patent number 10,889,939
- Issue date Jan 12, 2021
- Ecolab USA Inc.
- Zhi Chen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Tissue dust reduction
- Patent number 10,648,133
- Issue date May 12, 2020
- Ecolab USA Inc.
- Roger Peter Linder
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Softener composition
- Patent number 10,570,567
- Issue date Feb 25, 2020
- Kemira Oyj
- Chen Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Recording medium
- Patent number 10,392,753
- Issue date Aug 27, 2019
- TAGIT—EAS LTD.
- Vladimir Manov
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cellulosic fiber-based substrate, method of production and use as a...
- Patent number 10,370,797
- Issue date Aug 6, 2019
- Ahlstrom Corporation
- Menno Dufour
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Natural fiber reinforced composite panel and method
- Patent number 10,184,215
- Issue date Jan 22, 2019
- The Regents of the University of Michigan
- Mihaela Banu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing a mat of cellulose fibres with a controlled le...
- Patent number 9,963,830
- Issue date May 8, 2018
- ONDULINE
- Waldemar Wiktorski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of increasing paper strength
- Patent number 9,920,482
- Issue date Mar 20, 2018
- Ecolab USA Inc.
- Bradley Benz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of increasing paper bulk strength by using a diallylamine ac...
- Patent number 9,840,810
- Issue date Dec 12, 2017
- Ecolab USA Inc.
- David J. Castro
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Food wrap paper and method of manufacturing same
- Patent number 9,797,096
- Issue date Oct 24, 2017
- Mondi AG
- Tiina Olkkonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of increasing paper strength using an amine containing polym...
- Patent number 9,702,086
- Issue date Jul 11, 2017
- Ecolab USA Inc.
- David J. Castro
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High molecular weight and high cationic charge glyoxalated polyacry...
- Patent number 9,644,320
- Issue date May 9, 2017
- BASF SE
- Matthew D. Wright
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Printable recording media
- Patent number 9,631,318
- Issue date Apr 25, 2017
- Hewlett-Packard Development Company, L.P.
- Lokendra Pal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of preparing a treated article and treated article formed th...
- Patent number 9,499,943
- Issue date Nov 22, 2016
- AGC Chemicals Americas, Inc.
- Michael J. Sanchez
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Dispersible hydroentangled basesheet with triggerable binder
- Patent number 9,320,395
- Issue date Apr 26, 2016
- Kimberly-Clark Worldwide, Inc.
- Kenneth John Zwick
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper substrates containing high surface sizing and low internal si...
- Patent number 9,309,626
- Issue date Apr 12, 2016
- International Paper Company
- Kapil M. Singh
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of preparing a treated article and treated article formed th...
- Patent number 9,133,584
- Issue date Sep 15, 2015
- AGC Chemicals Americas, Inc.
- Michael J. Sanchez
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fibre product for packaging
- Patent number 9,051,115
- Issue date Jun 9, 2015
- Smurfit Kappa Hoya Papier und Karton GmbH
- Armin Buschmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for modifying the physical and/or chemical characteristics o...
- Patent number 9,051,686
- Issue date Jun 9, 2015
- Giorgio Trani
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dispersible hydroentangled basesheet with triggerable binder
- Patent number 9,005,395
- Issue date Apr 14, 2015
- Kimberly-Clark Worldwide, Inc.
- Kenneth John Zwick
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
WIRE TREATMENT FOR DUST CONTROL
- Publication number 20250027275
- Publication date Jan 23, 2025
- ECOLAB USA INC.
- Dominic LUNEAU
- 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
CELLULOSIC FIBER MATERIAL AND PROCESS
- Publication number 20240384475
- Publication date Nov 21, 2024
- Papershell AB
- Anders BREITHOLTZ
- 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
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 FOR SEPARATING CELLULOSIC PARTICULATES OUT OF FIBER SUSPENSI...
- Publication number 20240026606
- Publication date Jan 25, 2024
- PAPIERHOLZ AUSTRIA GMBH
- Johannes LEITNER
- 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
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
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
A METHOD FOR COATING A FIBROUS WEB, AND A SURFACE COATED FIBROUS WEB
- Publication number 20230002976
- Publication date Jan 5, 2023
- STORA ENSO OYJ
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MICROFIBRILLATED COATING COMPOSITIONS, PROCESSES AND APPLICATORS TH...
- Publication number 20220316140
- Publication date Oct 6, 2022
- FiberLean Technologies Limited
- Per SVENDING
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS
- Publication number 20220251786
- Publication date Aug 11, 2022
- SEIKO EPSON CORPORATION
- Tetsuya AOYAMA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method For Preparing Green Slow-Release Preservative Paper Used For...
- Publication number 20220154406
- Publication date May 19, 2022
- Bohai University
- Tong SUN
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
BOOK PRINTING PAPER
- Publication number 20220002947
- Publication date Jan 6, 2022
- STORA ENSO OYJ
- Juhani Hyytiäinen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
COATING COMPOSITION FOR PAPER AND PAPERBOARD
- Publication number 20210222369
- Publication date Jul 22, 2021
- STORA ENSO OYJ
- Tuula Sokka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COATING COMPOSITION FOR PACKAGING LINER
- Publication number 20210123187
- Publication date Apr 29, 2021
- Hewlett-Packard Development Company, L.P.
- Fereshteh Khorrami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
FIBER BODY FORMING METHOD AND SHEET
- Publication number 20200385930
- Publication date Dec 10, 2020
- SEIKO EPSON CORPORATION
- Shigemi WAKABAYASHI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Porous Electrode Substrate and Production Method Therefor
- Publication number 20200266450
- Publication date Aug 20, 2020
- MITSUBISHI CHEMICAL CORPORATION
- Kyu Ota
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Application
FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS
- Publication number 20200165781
- Publication date May 28, 2020
- SEIKO EPSON CORPORATION
- Tetsuya AOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS
- Publication number 20200165780
- Publication date May 28, 2020
- SEIKO EPSON CORPORATION
- Tetsuya AOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SOFTENER COMPOSITION
- Publication number 20200149223
- Publication date May 14, 2020
- KEMIRA OYJ
- Chen LU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
POLYIMIDE FIBER SHEET
- Publication number 20200115852
- Publication date Apr 16, 2020
- DU PONT-TORAY CO., LTD.
- Hideaki MACHIDA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FOAM ASSISTED APPLICATION OF STRENGTH ADDITIVES TO PAPER PRODUCTS
- Publication number 20190309480
- Publication date Oct 10, 2019
- Solenis Technologies, L.P.
- Mingxiang Luo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
NATURAL FIBER REINFORCED COMPOSITE PANEL AND METHOD
- Publication number 20190112764
- Publication date Apr 18, 2019
- The Regents of the University of Michigan
- Mihaela Banu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CIGARETTE WRAPPER WITH PRINTED CATALYST
- Publication number 20190059441
- Publication date Feb 28, 2019
- Philip Morris USA Inc.
- Ping LI
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
A Sizing Method for Making Paper and Paper Prepared Thereof
- Publication number 20190003125
- Publication date Jan 3, 2019
- ECOLAB USA INC.
- Zhi Chen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SOFTENER COMPOSITION
- Publication number 20180105987
- Publication date Apr 19, 2018
- Kemira Oyj
- Chen LU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CELLULOSIC FIBER-BASED SUBSTRATE, METHOD OF PRODUCTION AND USE AS A...
- Publication number 20170292044
- Publication date Oct 12, 2017
- AHLSTROM CORPORATION
- Menno DUFOUR
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF INCREASING PAPER BULK STRENGTH BY USING A DIALLYLAMINE AC...
- Publication number 20170254021
- Publication date Sep 7, 2017
- ECOLAB USA INC.
- David J. Castro
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING A MAT OF CELLULOSE FIBRES WITH A CONTROLLED LE...
- Publication number 20170022669
- Publication date Jan 26, 2017
- ONDULINE
- Waldemar Wiktorski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

during paper manufacture

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Coated plug wrap for a smoking article

Method for coating a fibrous web, and a surface coated fibrous web

Fiber body forming method and fiber body forming apparatus

Porous electrode substrate and production method therefor

Fiber body forming method and sheet

Softener composition

Foam assisted application of strength additives to paper products

Fiber body forming method and fiber body forming apparatus

Polyimide fiber sheet

Natural fiber reinforced composite panel and method

Sizing method for making paper and paper prepared thereof

Tissue dust reduction

Softener composition

Recording medium

Cellulosic fiber-based substrate, method of production and use as a...

Natural fiber reinforced composite panel and method

Method for producing a mat of cellulose fibres with a controlled le...

Method of increasing paper strength

Method of increasing paper bulk strength by using a diallylamine ac...

Food wrap paper and method of manufacturing same

Method of increasing paper strength using an amine containing polym...

High molecular weight and high cationic charge glyoxalated polyacry...

Printable recording media

Method of preparing a treated article and treated article formed th...

Dispersible hydroentangled basesheet with triggerable binder

Paper substrates containing high surface sizing and low internal si...

Method of preparing a treated article and treated article formed th...

Fibre product for packaging

Method for modifying the physical and/or chemical characteristics o...

Dispersible hydroentangled basesheet with triggerable binder

Patents Applicationslast 30 patents

WIRE TREATMENT FOR DUST CONTROL

METHOD FOR MANUFACTURING A MULTIPLY PAPERBOARD, AND A MULTIPLY PAPE...

CELLULOSIC FIBER MATERIAL AND PROCESS

A method, a paperboard product and use of a foam coater and a subse...

A method, a paperboard product and use of a foam coater and a subse...

METHOD FOR SEPARATING CELLULOSIC PARTICULATES OUT OF FIBER SUSPENSI...

FLAME-RESISTANT PAPER FOR RADIO WAVE ABSORBER MEMBER AND PRODUCTION...

MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS

FUNCTIONAL PAPER FOR ELECTRONICS PRINTING AND METHODS OF MAKING

A METHOD FOR COATING A FIBROUS WEB, AND A SURFACE COATED FIBROUS WEB

MICROFIBRILLATED COATING COMPOSITIONS, PROCESSES AND APPLICATORS TH...

FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS

Method For Preparing Green Slow-Release Preservative Paper Used For...

BOOK PRINTING PAPER

COATING COMPOSITION FOR PAPER AND PAPERBOARD

COATING COMPOSITION FOR PACKAGING LINER

FIBER BODY FORMING METHOD AND SHEET

Porous Electrode Substrate and Production Method Therefor

FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS

FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS

SOFTENER COMPOSITION

POLYIMIDE FIBER SHEET

FOAM ASSISTED APPLICATION OF STRENGTH ADDITIVES TO PAPER PRODUCTS

NATURAL FIBER REINFORCED COMPOSITE PANEL AND METHOD

CIGARETTE WRAPPER WITH PRINTED CATALYST

A Sizing Method for Making Paper and Paper Prepared Thereof

SOFTENER COMPOSITION

CELLULOSIC FIBER-BASED SUBSTRATE, METHOD OF PRODUCTION AND USE AS A...

METHOD OF INCREASING PAPER BULK STRENGTH BY USING A DIALLYLAMINE AC...

METHOD FOR PRODUCING A MAT OF CELLULOSE FIBRES WITH A CONTROLLED LE...