Secondary fibres

Industry

CPC
D21H11/14

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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 D21H11/00Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only

Current Industry

D21H11/14Secondary fibres

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing bleached pulp from a feedstock comprising...
- Patent number 12,331,462
- Issue date Jun 17, 2025
- WestRock MWV, LLC
- Peter W. Hart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Articles of manufacture comprising nanocellulose elements
- Patent number 12,325,841
- Issue date Jun 10, 2025
- Soane Materials LLC
- David S. Soane
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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
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
Oxygen treatment of high kappa fibers
- Patent number 12,286,751
- Issue date Apr 29, 2025
- GPCP IP Holdings LLC
- Kevin M. Holtman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Preparation method and recyclingmethod for degradable and recyclabl...
- Patent number 12,281,443
- Issue date Apr 22, 2025
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry
- He Liu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet manufacturing apparatus
- Patent number 12,264,436
- Issue date Apr 1, 2025
- Seiko Epson Corporation
- Takao Mikoshiba
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet manufacturing system
- Patent number 12,258,712
- Issue date Mar 25, 2025
- Seiko Epson Corporation
- Takao Mikoshiba
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Sheet manufacturing system
- Patent number 12,258,713
- Issue date Mar 25, 2025
- Seiko Epson Corporation
- Takao Mikoshiba
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for spraying chemical solution
- Patent number 12,258,709
- Issue date Mar 25, 2025
- Maintech Co., Ltd.
- Hiroshi Sekiya
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High brightness non-wood pulp
- Patent number 12,227,900
- Issue date Feb 18, 2025
- Kimberly-Clark Worldwide, Inc.
- Thomas G. Shannon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Fiber-based food containers
- Patent number 12,168,853
- Issue date Dec 17, 2024
- Footprint International, LLC
- Yoke Dou Chung
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Methods and apparatus for manufacturing fiber-based produce containers
- Patent number 12,163,290
- Issue date Dec 10, 2024
- Footprint International, LLC
- Yoke Dou Chung
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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
Pressure screen for a fiber web product process with removable cover
- Patent number 12,129,599
- Issue date Oct 29, 2024
- Valmet Technologies, Inc.
- Steve Enzor
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Articles of manufacture comprising nanocellulose elements
- Patent number 12,122,980
- Issue date Oct 22, 2024
- Soane Materials LLC
- David S. Soane
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Common preparation of lignocellulosic feedstock and a product conta...
- Patent number 12,116,729
- Issue date Oct 15, 2024
- Lenzing Aktiengesellschaft
- Richard Herchl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Soy based filtration system
- Patent number 12,090,431
- Issue date Sep 17, 2024
- Purdue Research Foundation
- Anderson Smith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods and apparatus for manufacturing fiber-based produce containers
- Patent number 12,071,727
- Issue date Aug 27, 2024
- Footprint International, LLC
- Yoke Dou Chung
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Ash retention additive and methods of using the same
- Patent number 12,065,785
- Issue date Aug 20, 2024
- Polymer Ventures, Inc.
- Christopher B. Murphy
- 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
Process for separation of the cellulosic part from a polyester and...
- Patent number 12,049,727
- Issue date Jul 30, 2024
- Sodra Skogsagarna Ekonomisk Forening
- Harald Brelid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Process for manufacturing components from shredded polymer-coated p...
- Patent number 12,012,699
- Issue date Jun 18, 2024
- CHOPVALUE MANUFACTURING LTD
- Dirk Harste
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing pulp fibers for cellulose nanofiberization, an...
- Patent number 11,987,932
- Issue date May 21, 2024
- Unicharm Corporation
- Takayoshi Konishi
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Paper hookah hose
- Patent number 11,986,013
- Issue date May 21, 2024
- Yu-Ting Hsu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cellulose raw material and method for recycling a cellulose raw mat...
- Patent number 11,976,417
- Issue date May 7, 2024
- Lenzing Aktiengesellschaft
- Richard Herchl
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Starch fixation and retention in recycled fiber systems
- Patent number 11,976,418
- Issue date May 7, 2024
- Kemira Oyj
- Yuping Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods and apparatus for manufacturing high-strength fiber-based b...
- Patent number 11,939,129
- Issue date Mar 26, 2024
- Footprint International, LLC
- Yoke Dou Chung
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
DECORATIVE PAPER OR FILM COMPRISING HIGHLY REFINED PULP FROM FIBERS...
- Publication number 20250230609
- Publication date Jul 17, 2025
- STORA ENSO OYJ
- Carl-Henrik Ljungqvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A MULTIPLY PAPERBOARD FOR USE IN FOOD OR LIQUID PACKAGING LAMINATES
- Publication number 20250229516
- Publication date Jul 17, 2025
- STORA ENSO OYJ
- Carl-Henrik Ljungqvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SIZING ADDITIVE PERFORMANCE USING A NOVEL STRENGTH COMPLEX
- Publication number 20250188681
- Publication date Jun 12, 2025
- ECOLAB USA INC.
- David Steven JORDAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
RECYCLING OF MIXTURES OF TEXTILES COMPRISING CELLULOSE
- Publication number 20250146218
- Publication date May 8, 2025
- CIRCULOSE AB
- Tahani KALDÉUS
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HIGH BRIGHTNESS NON-WOOD PULP
- Publication number 20250146219
- Publication date May 8, 2025
- Kimberly-Clark Worldwide, Inc.
- Thomas G. Shannon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HEAT-SENSITIVE RECORDING MATERIAL
- Publication number 20250144953
- Publication date May 8, 2025
- KOEHLER INNOVATION & TECHNOLOGY GMBH
- Uwe BRASCH
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PACKAGE MATERIAL AND METHOD OF PRODUCING A PACKAGE MATERIAL
- Publication number 20250137203
- Publication date May 1, 2025
- SONY GROUP CORPORATION
- Yuuko TABEI
- B32 - LAYERED PRODUCTS
Information Patent Application
Articles of Manufacture Comprising Nanocellulose Elements
- Publication number 20250092338
- Publication date Mar 20, 2025
- Soane Materials LLC
- David S. Soane
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Articles of Manufacture Comprising Nanocellulose Elements
- Publication number 20250075154
- Publication date Mar 6, 2025
- Soane Materials LLC
- David S. Soane
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Articles of Manufacture Comprising Nanocellulose Elements
- Publication number 20250066699
- Publication date Feb 27, 2025
- Soane Materials LLC
- David S. Soane
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
HIGHLY REFINED PULP FROM FIBERS OBTAINED FROM USED BEVERAGE CARTONS
- Publication number 20250043512
- Publication date Feb 6, 2025
- STORA ENSO OYJ
- Carl-Henrik Ljungqvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ALMOND WOOD PULPS AND PAPER PRODUCTS MADE THEREFROM
- Publication number 20250034810
- Publication date Jan 30, 2025
- GPCP IP Holdings LLC
- Kevin M. Holtman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MULTI-PLY PAPER CONTAINING USED PAPER FIBERS AND ADDITIONAL FIBERS
- Publication number 20250019903
- Publication date Jan 16, 2025
- CERTINA PRODUCTION AG
- Hans WEHRMANN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
CLOSURE ELEMENT FOR A CUP
- Publication number 20250000288
- Publication date Jan 2, 2025
- Bluewater Innovations AB
- Bengt RITTRI
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CIGARETTE FILTER INCLUDING LYOCELL TOW
- Publication number 20240407430
- Publication date Dec 12, 2024
- KT&G Corporation
- Jin Chul YANG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
STARCH FIXATION AND RETENTION IN RECYCLED FIBER SYSTEMS
- Publication number 20240376668
- Publication date Nov 14, 2024
- KEMIRA OYJ
- Yuping Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
GRINDING METHOD AND GRINDING MEDIUM
- Publication number 20240368835
- Publication date Nov 7, 2024
- FiberLean Technologies Limited
- Lewis TAYLOR
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HPMC COMPOSITION FOR PROVIDING A HEAT-SEALABLE COATING ON PAPER AND...
- Publication number 20240368438
- Publication date Nov 7, 2024
- NUTRITION & BIOSCIENCES USA 1, LLC
- ROLAND BAYER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHOD FOR REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM...
- Publication number 20240328089
- Publication date Oct 3, 2024
- KEMIRA OYJ
- Jonni AHLGREN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HPMC COMPOSITION FOR COATING OF PAPER AND BOARD FOR REDUCING MIGRAT...
- Publication number 20240318384
- Publication date Sep 26, 2024
- NUTRITION & BIOSCIENCES USA 1, LLC
- Roland Bayer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SYSTEM AND METHOD OF MANUFACTURE OF CELLULOSE INSULATION
- Publication number 20240309584
- Publication date Sep 19, 2024
- NTIP LLC
- William Sellars
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PREPARATION METHOD AND RECYCLINGMETHOD FOR DEGRADABLE AND RECYCLABL...
- Publication number 20240295078
- Publication date Sep 5, 2024
- Institute of Chemical Industry of Forest Products,Chinese Academy of Forestry
- He LIU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
POROUS MEDIA HAVING BIOCIDAL PROPERTIES
- Publication number 20240271369
- Publication date Aug 15, 2024
- OBERTHUR FIDUCIAIRE SAS
- Henri ROSSET
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
MULTI-PLY LINER FOR USE IN CORRUGATED BOARD
- Publication number 20240263401
- Publication date Aug 8, 2024
- STORA ENSO OYJ
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHOD FOR MANUFACTURING FLUTING AND/OR LINER FOR CORRUGATED BOARD
- Publication number 20240254694
- Publication date Aug 1, 2024
- STORA ENSO OYJ
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CELLULOSE RAW MATERIAL AND METHOD FOR RECYCLING A CELLULOSE RAW MAT...
- Publication number 20240240399
- Publication date Jul 18, 2024
- LENZING AKTIENGESELLSCHAFT
- Richard Herchl
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
UNBLEACHED NATURAL BROWN COPIER PAPER AND PROCESS THEREOF
- Publication number 20240240404
- Publication date Jul 18, 2024
- SHREE KRISHNA PAPER MILLS AND INDUSTRIES LIMITED
- Naynesh Pasari
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Secondary fibres

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for manufacturing bleached pulp from a feedstock comprising...

Articles of manufacture comprising nanocellulose elements

Composition and its use for use in manufacture of paper, board or t...

Binder and formed body producing method

Oxygen treatment of high kappa fibers

Preparation method and recyclingmethod for degradable and recyclabl...

Sheet manufacturing apparatus

Sheet manufacturing system

Sheet manufacturing system

Method for spraying chemical solution

High brightness non-wood pulp

Method of making paper or board products

Fiber-based food containers

Methods and apparatus for manufacturing fiber-based produce containers

Non-wood pulp having high brightness and low debris

Pressure screen for a fiber web product process with removable cover

Articles of manufacture comprising nanocellulose elements

Common preparation of lignocellulosic feedstock and a product conta...

Soy based filtration system

Methods and apparatus for manufacturing fiber-based produce containers

Ash retention additive and methods of using the same

Lignocellulosic composites prepared with aqueous alkaline and urea...

Process for separation of the cellulosic part from a polyester and...

Acrylate and non-acrylate based chemical compositions for selective...

Process for manufacturing components from shredded polymer-coated p...

Method for producing pulp fibers for cellulose nanofiberization, an...

Paper hookah hose

Cellulose raw material and method for recycling a cellulose raw mat...

Starch fixation and retention in recycled fiber systems

Methods and apparatus for manufacturing high-strength fiber-based b...

Patents Applicationslast 30 patents

DECORATIVE PAPER OR FILM COMPRISING HIGHLY REFINED PULP FROM FIBERS...

A MULTIPLY PAPERBOARD FOR USE IN FOOD OR LIQUID PACKAGING LAMINATES

SIZING ADDITIVE PERFORMANCE USING A NOVEL STRENGTH COMPLEX

RECYCLING OF MIXTURES OF TEXTILES COMPRISING CELLULOSE

HIGH BRIGHTNESS NON-WOOD PULP

HEAT-SENSITIVE RECORDING MATERIAL

PACKAGE MATERIAL AND METHOD OF PRODUCING A PACKAGE MATERIAL

Articles of Manufacture Comprising Nanocellulose Elements

Articles of Manufacture Comprising Nanocellulose Elements

Articles of Manufacture Comprising Nanocellulose Elements

HIGHLY REFINED PULP FROM FIBERS OBTAINED FROM USED BEVERAGE CARTONS

ALMOND WOOD PULPS AND PAPER PRODUCTS MADE THEREFROM

MULTI-PLY PAPER CONTAINING USED PAPER FIBERS AND ADDITIONAL FIBERS

NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS

CLOSURE ELEMENT FOR A CUP

CIGARETTE FILTER INCLUDING LYOCELL TOW

STARCH FIXATION AND RETENTION IN RECYCLED FIBER SYSTEMS

GRINDING METHOD AND GRINDING MEDIUM

HPMC COMPOSITION FOR PROVIDING A HEAT-SEALABLE COATING ON PAPER AND...

METHODS, APPARATUS, AND CHEMICAL COMPOSITIONS FOR SELECTIVELY COATI...

METHOD FOR REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM...

HPMC COMPOSITION FOR COATING OF PAPER AND BOARD FOR REDUCING MIGRAT...

SYSTEM AND METHOD OF MANUFACTURE OF CELLULOSE INSULATION

PREPARATION METHOD AND RECYCLINGMETHOD FOR DEGRADABLE AND RECYCLABL...

POROUS MEDIA HAVING BIOCIDAL PROPERTIES

MULTI-PLY LINER FOR USE IN CORRUGATED BOARD

CONTAINER

METHOD FOR MANUFACTURING FLUTING AND/OR LINER FOR CORRUGATED BOARD

CELLULOSE RAW MATERIAL AND METHOD FOR RECYCLING A CELLULOSE RAW MAT...

UNBLEACHED NATURAL BROWN COPIER PAPER AND PROCESS THEREOF