Methods of refining

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CPC
D21D1/20

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DTEXTILES PAPER D21Papermaking D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE D21D1/00Methods of beating or refining Beaters of the Hollander type

Current Industry

D21D1/20Methods of refining

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Fiberboard manufacturing method and fiberboard
- Patent number 12,163,284
- Issue date Dec 10, 2024
- Nichiha Corporation
- Naoki Sugiyama
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Non-wood pulp having high brightness and low debris
- Patent number 12,146,262
- Issue date Nov 19, 2024
- Kimberly-Clark Worldwide, Inc.
- Zhiying Yu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Tissues and paper towels incorporating surface enhanced pulp fibers...
- Patent number 12,104,327
- Issue date Oct 1, 2024
- Domtar Paper Company, LLC
- Bradley Langford
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing binderless formaldehyde-free fiberboard and c...
- Patent number 12,037,745
- Issue date Jul 16, 2024
- DAHE (SHANGHAI) ECOLOGICAL TECHNOLOGY CO., LTD.
- Bo Bai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper filler composition
- Patent number 11,970,817
- Issue date Apr 30, 2024
- FIBERLEAN TECHNOLOGIES LIMITED
- John Claude Husband
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing cellulose nanofibers
- Patent number 11,905,657
- Issue date Feb 20, 2024
- DAIO PAPER CORPORATION
- Junya Okawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Monitoring and controlling of refining of fibrous pulp
- Patent number 11,788,229
- Issue date Oct 17, 2023
- Valmet Technologies, Inc.
- Lasse Kauppinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pulp mixture
- Patent number 11,746,472
- Issue date Sep 5, 2023
- BillerudKorsnäs AB
- Irina Rauvanto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper filler composition
- Patent number 11,732,411
- Issue date Aug 22, 2023
- FiberLean Technologies Limited
- John Claude Husband
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber blend, method for producing fiber blend, and paperboard produ...
- Patent number 11,629,460
- Issue date Apr 18, 2023
- WestRock MWV, LLC
- Humphrey J. Moynihan
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method of increasing the throughput and/or decreasing energy usage...
- Patent number 11,624,153
- Issue date Apr 11, 2023
- BASF SE
- John Andrew Randolph
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for preparing unbleached biomechanical pulp from straw
- Patent number 11,566,376
- Issue date Jan 31, 2023
- QILU UNIVERSITY OF TECHNOLOGY
- Xingxiang Ji
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing a fibrous material
- Patent number 11,535,983
- Issue date Dec 27, 2022
- Andritz AG
- Oleg Shagaev
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for production of filler loaded surface enhanced pulp fibers
- Patent number 11,499,269
- Issue date Nov 15, 2022
- Domtar Paper Company LLC
- Harshad Pande
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method to produce a paperboard, a paperboard and a corrugated board
- Patent number 11,441,272
- Issue date Sep 13, 2022
- Stora Enso Oyj
- Tuomo Sippus
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Addition of cellulose esters to a paper mill without substantial mo...
- Patent number 11,390,991
- Issue date Jul 19, 2022
- Eastman Chemical Company
- Kenny Randolph Parker
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber processing device, fibrous feedstock recycling device, and co...
- Patent number 11,390,992
- Issue date Jul 19, 2022
- Seiko Epson Corporation
- Yuki Oguchi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper filler composition
- Patent number 11,377,791
- Issue date Jul 5, 2022
- FiberLean Technologies Limited
- John Claude Husband
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing parenchymal cell cellulose
- Patent number 11,299,852
- Issue date Apr 12, 2022
- BETULIUM OY
- Antti Laukkanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of preparing recycled cellulosic fibers to improve paper pro...
- Patent number 11,214,925
- Issue date Jan 4, 2022
- Pulmac Systems International, Inc.
- Robert Joseph White
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper filler composition
- Patent number 11,162,219
- Issue date Nov 2, 2021
- FiberLean Technologies Limited
- John Claude Husband
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Blade segment for refiner
- Patent number 11,142,869
- Issue date Oct 12, 2021
- Valmet Technologies, Inc.
- Håkan Sjöström
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Papermaking system and method
- Patent number 11,015,295
- Issue date May 25, 2021
- John H. Klungness
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Surface enhanced pulp fibers, methods of making surface enhanced pu...
- Patent number 10,975,499
- Issue date Apr 13, 2021
- Domtar Paper Company, LLC
- Harshad Pande
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Fiber blend, method for producing fiber blend, and paperboard produ...
- Patent number 10,961,659
- Issue date Mar 30, 2021
- WestRock MWV, LLC
- Humphrey J. Moynihan
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Fractionating and refining system for engineering fibers to improve...
- Patent number 10,941,520
- Issue date Mar 9, 2021
- Pulmac Systems International, Inc.
- Joffrey Dard Cowan
- G01 - MEASURING TESTING
Information Patent Grant
Deaeration apparatus
- Patent number 10,926,198
- Issue date Feb 23, 2021
- BOE Technology Group Co., Ltd.
- Zhenrui Fan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Processing device, sheet manufacturing device, processing method, a...
- Patent number 10,876,255
- Issue date Dec 29, 2020
- Seiko Epson Corporation
- Masanao Kunugi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for manufacture of highly refined cellulose fiber materials...
- Patent number 10,851,496
- Issue date Dec 1, 2020
- Brock M. Lundberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and a device for producing nanofibrillar cellulose
- Patent number 10,808,356
- Issue date Oct 20, 2020
- UPM-Kymmene Corporation
- Markus Nuopponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS
- Publication number 20250012010
- Publication date Jan 9, 2025
- Kimberly-Clark Worldwide, Inc.
- Zhiying Yu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DISPERSIBLE PAPER, METHOD FOR PRODUCING SAME, PACKAGING AND USE OF...
- Publication number 20240344274
- Publication date Oct 17, 2024
- Klabin S.A.
- Guilherme GIESEL
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPER FILLER COMPOSITION
- Publication number 20240240400
- Publication date Jul 18, 2024
- FiberLean Technologies Limited
- John Claude Husband
- 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
NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS
- Publication number 20240018723
- Publication date Jan 18, 2024
- Kimberly-Clark Worldwide, Inc.
- Zhiying Yu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Pulp Mixture
- Publication number 20230407568
- Publication date Dec 21, 2023
- BILLERUDKORSNÄS AB
- Irina Rauvanto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR CO-PRODUCING MOLDED FOOD-CONTAINER PULP AND FULVIC ACID...
- Publication number 20230220623
- Publication date Jul 13, 2023
- Bo BAI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
VIBRATION MEASURING ASSEMBLY
- Publication number 20230213405
- Publication date Jul 6, 2023
- VOITH PATENT GmbH
- Martin Heim
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR PRODUCTION OF FILLER LOADED SURFACE ENHANCED PULP FIBERS
- Publication number 20230084180
- Publication date Mar 16, 2023
- Domtar Paper Company, LLC
- Harshad Pande
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ARAMID PULP AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20220389660
- Publication date Dec 8, 2022
- KOLON INDUSTRIES, INC.
- Changhee KO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD TO PRODUCE A PAPERBOARD, A PAPERBOARD AND A CORRUGATED BOARD
- Publication number 20220372706
- Publication date Nov 24, 2022
- STORA ENSO OYJ
- Tuomo Sippus
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PAPER FILLER COMPOSITION
- Publication number 20220364305
- Publication date Nov 17, 2022
- FiberLean Technologies Limited
- John Claude Husband
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PRODUCING BINDERLESS FORMALDEHYDE-FREE FIBERBOARD AND C...
- Publication number 20220333308
- Publication date Oct 20, 2022
- Bo BAI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Tissues and Paper Towels Incorporating Surface Enhanced Pulp Fibers...
- Publication number 20220333312
- Publication date Oct 20, 2022
- Domtar Paper Company, LLC
- Bradley Langford
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Wrapper For Enclosing Smokable Substances
- Publication number 20220225662
- Publication date Jul 21, 2022
- John Warren Ostrander
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Method for preparing biomechanical unbleached pulp from wheat straw...
- Publication number 20220205177
- Publication date Jun 30, 2022
- QILU UNIVERSITY OF TECHNOLOGY
- Xingxiang JI
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
FIBERBOARD MANUFACTURING METHOD AND FIBERBOARD
- Publication number 20220170207
- Publication date Jun 2, 2022
- NICHIHA CORPORATION
- Naoki SUGIYAMA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING PARENCHYMAL CELL CELLULOSE
- Publication number 20220162799
- Publication date May 26, 2022
- BETULIUM OY
- Antti LAUKKANEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MICROFIBRILLATED CELLULOSE CONTAINING PULP SHEETS WITH IMPROVED MEC...
- Publication number 20220081840
- Publication date Mar 17, 2022
- FiberLean Technologies Limited
- Thomas REEVE-LARSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPER FILLER COMPOSITION
- Publication number 20220018068
- Publication date Jan 20, 2022
- FiberLean Technologies Limited
- John Claude Husband
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPERMAKING SYSTEM AND METHOD
- Publication number 20210277604
- Publication date Sep 9, 2021
- John Klungness
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF MAKING PAPER OR BOARD
- Publication number 20210269972
- Publication date Sep 2, 2021
- CORN PRODUCTS DEVELOPMENT INC.
- Xinglian Geng
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SURFACE ENHANCED PULP FIBERS, METHODS OF MAKING SURFACE ENHANCED PU...
- Publication number 20210207289
- Publication date Jul 8, 2021
- Domtar Paper Company, LLC
- Harshad PANDE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF PREPARING RECYCLED CELLULOSIC FIBERS TO IMPROVE PAPER PRO...
- Publication number 20210189652
- Publication date Jun 24, 2021
- Pulmac Systems International, Inc.
- Robert Joseph White
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FIBER BLEND, METHOD FOR PRODUCING FIBER BLEND, AND PAPERBOARD PRODU...
- Publication number 20210180252
- Publication date Jun 17, 2021
- WestRock MWV, LLC
- Humphrey J. Moynihan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPERMAKING SYSTEM AND METHOD
- Publication number 20210140113
- Publication date May 13, 2021
- John H. Klungness
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PRODUCTION OF HIGHLY STRETCHABLE PAPER HAVING SATISFACTORY SURFACE...
- Publication number 20210102340
- Publication date Apr 8, 2021
- BILLERUDKORSNÄS AB
- Nils Nordling
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHODS AND SYSTEMS FOR PRODUCING HCM SHEETS
- Publication number 20210040692
- Publication date Feb 11, 2021
- Johnny Keith Cagigas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING CELLULOSE NANOFIBERS
- Publication number 20200407912
- Publication date Dec 31, 2020
- Daio Paper Corporation
- Junya Okawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
METHOD FOR PREPARING UNBLEACHED BIOMECHANICAL PULP FROM STRAW
- Publication number 20200362515
- Publication date Nov 19, 2020
- QILU UNIVERSITY OF TECHNOLOGY
- Xingxiang JI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Methods of refining

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Fiberboard manufacturing method and fiberboard

Non-wood pulp having high brightness and low debris

Tissues and paper towels incorporating surface enhanced pulp fibers...

Process for producing binderless formaldehyde-free fiberboard and c...

Paper filler composition

Method for producing cellulose nanofibers

Monitoring and controlling of refining of fibrous pulp

Pulp mixture

Paper filler composition

Fiber blend, method for producing fiber blend, and paperboard produ...

Method of increasing the throughput and/or decreasing energy usage...

Method for preparing unbleached biomechanical pulp from straw

Method for producing a fibrous material

Method for production of filler loaded surface enhanced pulp fibers

Method to produce a paperboard, a paperboard and a corrugated board

Addition of cellulose esters to a paper mill without substantial mo...

Fiber processing device, fibrous feedstock recycling device, and co...

Paper filler composition

Method for producing parenchymal cell cellulose

Method of preparing recycled cellulosic fibers to improve paper pro...

Paper filler composition

Blade segment for refiner

Papermaking system and method

Surface enhanced pulp fibers, methods of making surface enhanced pu...

Fiber blend, method for producing fiber blend, and paperboard produ...

Fractionating and refining system for engineering fibers to improve...

Deaeration apparatus

Processing device, sheet manufacturing device, processing method, a...

Process for manufacture of highly refined cellulose fiber materials...

Method and a device for producing nanofibrillar cellulose

Patents Applicationslast 30 patents

NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS

DISPERSIBLE PAPER, METHOD FOR PRODUCING SAME, PACKAGING AND USE OF...

PAPER FILLER COMPOSITION

IMPROVED WRAPPING PAPER HAVING A LOW DIFFUSION CAPACITY

NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS

Pulp Mixture

METHOD FOR CO-PRODUCING MOLDED FOOD-CONTAINER PULP AND FULVIC ACID...

VIBRATION MEASURING ASSEMBLY

METHOD FOR PRODUCTION OF FILLER LOADED SURFACE ENHANCED PULP FIBERS

ARAMID PULP AND METHOD FOR MANUFACTURING THE SAME

METHOD TO PRODUCE A PAPERBOARD, A PAPERBOARD AND A CORRUGATED BOARD

PAPER FILLER COMPOSITION

PROCESS FOR PRODUCING BINDERLESS FORMALDEHYDE-FREE FIBERBOARD AND C...

Tissues and Paper Towels Incorporating Surface Enhanced Pulp Fibers...

Wrapper For Enclosing Smokable Substances

Method for preparing biomechanical unbleached pulp from wheat straw...

FIBERBOARD MANUFACTURING METHOD AND FIBERBOARD

METHOD FOR PRODUCING PARENCHYMAL CELL CELLULOSE

MICROFIBRILLATED CELLULOSE CONTAINING PULP SHEETS WITH IMPROVED MEC...

PAPER FILLER COMPOSITION

PAPERMAKING SYSTEM AND METHOD

METHOD OF MAKING PAPER OR BOARD

SURFACE ENHANCED PULP FIBERS, METHODS OF MAKING SURFACE ENHANCED PU...

METHOD OF PREPARING RECYCLED CELLULOSIC FIBERS TO IMPROVE PAPER PRO...

FIBER BLEND, METHOD FOR PRODUCING FIBER BLEND, AND PAPERBOARD PRODU...

PAPERMAKING SYSTEM AND METHOD

PRODUCTION OF HIGHLY STRETCHABLE PAPER HAVING SATISFACTORY SURFACE...

METHODS AND SYSTEMS FOR PRODUCING HCM SHEETS

METHOD FOR PRODUCING CELLULOSE NANOFIBERS

METHOD FOR PREPARING UNBLEACHED BIOMECHANICAL PULP FROM STRAW