Multistage processes

Industry

CPC
D21C3/26

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

Parent Industries

DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C3/00Pulping cellulose-containing materials

Current Industry

D21C3/26Multistage processes

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Method of feeding wood chips to a prehydrolysis reactor
- Patent number 11,993,895
- Issue date May 28, 2024
- Andritz Oy
- Marco Andrade
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for non-catalytic delignification of biomass inside an appar...
- Patent number 11,939,721
- Issue date Mar 26, 2024
- LIGNOPURA AGROTECH PVT LTD.
- Nitin Kolhe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multi-step process for the isolation of components from Miscanthus
- Patent number 11,814,790
- Issue date Nov 14, 2023
- EXEGI IP MANAGEMENT B.V.
- Marcel Van De Peppel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for enzymatic hydrolysis of lignocellulosic material and fe...
- Patent number 11,773,420
- Issue date Oct 3, 2023
- Versalis S.P.A.
- Bertus Noordam
- C13 - SUGAR INDUSTRY
Information Patent Grant
Process of producing nanofibrillated cellulose with low energy cons...
- Patent number 11,598,049
- Issue date Mar 7, 2023
- SUZANO S.A.
- Heloisa Ogushi Romeiro Ramires
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for enzymatic hydrolysis of lignocellulosic material and fe...
- Patent number 11,512,334
- Issue date Nov 29, 2022
- DSM IP Assets B.V.
- Bertus Noordam
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Outlet system for transporting comminuted lignocellulosic material...
- Patent number 11,371,185
- Issue date Jun 28, 2022
- Valmet AB
- Roger Jansson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Processes and systems for the pulping of lignocellulosic materials
- Patent number 11,352,746
- Issue date Jun 7, 2022
- ANDRITZ INC.
- Antti Luukkonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing dissolving pulp
- Patent number 11,066,784
- Issue date Jul 20, 2021
- SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING
- Jim Parkås
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low viscosity kraft fiber having reduced yellowing properties and m...
- Patent number 10,995,453
- Issue date May 4, 2021
- GP Cellulose GmbH
- Arthur J. Nonni
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method for recovering concentrated hydrolysate after hydrolysis of...
- Patent number 10,947,669
- Issue date Mar 16, 2021
- Valmet AB
- Lari Lammi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for enzymatic hydrolysis of lignocellulosic material and fe...
- Patent number 10,947,573
- Issue date Mar 16, 2021
- DSM IP Assets B.V.
- Bertus Noordam
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Process for enzymatic hydrolysis of lignocellulosic material and fe...
- Patent number 10,907,183
- Issue date Feb 2, 2021
- DSM IP Assets B.V.
- Bertus Noordam
- C13 - SUGAR INDUSTRY
Information Patent Grant
Biomass, thermal pressure hydrolysis and anaerobic digestion
- Patent number 10,907,303
- Issue date Feb 2, 2021
- THERMO PRESSURE TECHNOLOGIES LIMITED
- Ian Cecil Toll
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Modified cellulose from chemical fiber and methods of making and us...
- Patent number 10,865,519
- Issue date Dec 15, 2020
- GP Cellulose GmbH
- Arthur J. Nonni
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Processes and systems for the pulping of lignocellulosic materials
- Patent number 10,724,174
- Issue date Jul 28, 2020
- ANDRITZ INC.
- Antti Luukkonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low viscosity kraft fiber having reduced yellowing properties and m...
- Patent number 10,597,819
- Issue date Mar 24, 2020
- GP Cellulose GmbH
- Arthur J. Nonni
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for enzymatic hydrolysis of lignocellulosic material and fe...
- Patent number 10,597,689
- Issue date Mar 24, 2020
- DSM IP Assets B.V.
- Bertus Noordam
- C13 - SUGAR INDUSTRY
Information Patent Grant
Method for reducing pulp viscosity in production of dissolving pulp
- Patent number 10,513,824
- Issue date Dec 24, 2019
- Kemira Oyj
- Leif Robertson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of surfactant to treat pulp and improve the incorporation of kr...
- Patent number 10,407,830
- Issue date Sep 10, 2019
- GP Cellulose GmbH
- Arthur J. Nonni
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for enzymatic hydrolysis of lignocellulosic material and fe...
- Patent number 10,337,040
- Issue date Jul 2, 2019
- DSM IP Assets B.V.
- Bertus Noordam
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cost efficient kraft cooking method using polysulfide cooking liquor
- Patent number 10,151,063
- Issue date Dec 11, 2018
- Valmet AB
- Stefan Antonsson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for enzymatic hydrolysis of lignocellulosic material and fe...
- Patent number 10,144,939
- Issue date Dec 4, 2018
- DSM IP Assets B.V.
- Bertus Noordam
- C13 - SUGAR INDUSTRY
Information Patent Grant
Process and apparatus for enzymatic hydrolysis of lignocellulosic m...
- Patent number 10,087,475
- Issue date Oct 2, 2018
- DSM IP Assets B.V.
- Bertus Noordam
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Systems, devices and methods for agricultural product pulping
- Patent number 10,087,577
- Issue date Oct 2, 2018
- BIO AG RESOURCES, INC.
- Kurt Christensen
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for continuously cooking grass raw materials and device
- Patent number 10,053,816
- Issue date Aug 21, 2018
- SHANDONG TRALIN PAPER CO., LTD.
- Hongfa Li
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low viscosity kraft fiber having reduced yellowing properties and m...
- Patent number 10,000,890
- Issue date Jun 19, 2018
- GP Cellulose GmbH
- Arthur J. Nonni
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
High yield and enhanced performance fiber
- Patent number 10,000,889
- Issue date Jun 19, 2018
- WestRock MWV, LLC
- Peter W. Hart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for pretreating cellulose pulp
- Patent number 9,725,849
- Issue date Aug 8, 2017
- UPM-Kymmene Corporation
- Markus Nuopponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for displacement in batch digesters
- Patent number 9,631,317
- Issue date Apr 25, 2017
- Valmet AB
- Petteri Kuusisto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
A METHOD FOR CHEMICAL PULP PRODUCTION IN A MULTI-STAGE PROCESS
- Publication number 20240410109
- Publication date Dec 12, 2024
- Andritz AB
- Ola LARSSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR TREATMENT OF BIOMASS FOR PULPING AND BIOREFINERY APPLIC...
- Publication number 20240401270
- Publication date Dec 5, 2024
- FUMA LABS PRIVATE LIMITED
- Shubham SINGH
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING PRODUCTS BASED ON NON-WOODY BIOMASS AS RAW MAT...
- Publication number 20240175206
- Publication date May 30, 2024
- TECHNISCHE UNIVERSITAT WIEN
- Anton FRIEDL
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
Optimization Of Chemical Consumption in Biomass Delignification
- Publication number 20240052566
- Publication date Feb 15, 2024
- SixRing Inc.
- Tenzin LEKSMON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
EXTRACTION OF DELIGNIFIED, CELLULOSE-BASED FIBERS FROM NATURAL PLAN...
- Publication number 20230160141
- Publication date May 25, 2023
- University of Maryland, College Park
- Liangbing HU
- 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
PULP FOR PAPER, BOARD OR CARD AND THE PROVISION AND USE THEREOF
- Publication number 20220162802
- Publication date May 26, 2022
- RICOLA GROUP AG
- Sabin-Mihai BARA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD FOR NON-CATALYTIC DELIGNIFICATION OF BIOMASS INSIDE AN APP...
- Publication number 20220136171
- Publication date May 5, 2022
- LIGNOPURA AGROTECH PVT LTD.
- Nitin KOLHE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF PRODUCING HOLOCELLULOSE AND PAPER STRENGTH AGENT, PROCESS...
- Publication number 20220018065
- Publication date Jan 20, 2022
- RISE INNVENTIA AB
- Paul KROCHAK
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF FEEDING WOOD CHIPS TO A PREHYDROLYSIS REACTOR
- Publication number 20220002944
- Publication date Jan 6, 2022
- ANDRITZ OY
- Marco ANDRADE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
OUTLET SYSTEM FOR TRANSPORTING COMMINUTED LIGNOCELLULOSIC MATERIAL...
- Publication number 20210309449
- Publication date Oct 7, 2021
- VALMET AB
- Roger JANSSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR TREATING DISSOLVING PULP
- Publication number 20210207321
- Publication date Jul 8, 2021
- NOVOZYMES A/S
- Pedro Emanuel Garcia Loureiro
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...
- Publication number 20210180098
- Publication date Jun 17, 2021
- DSM IP Assets B. V.
- Bertus NOORDAM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...
- Publication number 20210115482
- Publication date Apr 22, 2021
- DSM IP Assets B. V.
- Bertus NOORDAM
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
MULTI-STEP PROCESS FOR THE ISOLATION OF COMPONENTS FROM MISCANTHUS
- Publication number 20210095421
- Publication date Apr 1, 2021
- EXEGI IP MANAGEMENT B.V.
- Marcel VAN DE PEPPEL
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Dissolution of Cellulose in Ionic Liquids
- Publication number 20210079593
- Publication date Mar 18, 2021
- TEXAS TECH UNIVERSITY SYSTEM
- Noureddine Abidi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESSES AND SYSTEMS FOR THE PULPING OF LIGNOCELLULOSIC MATERIALS
- Publication number 20200283953
- Publication date Sep 10, 2020
- Andritz Inc.
- Antti LUUKKONEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...
- Publication number 20200270659
- Publication date Aug 27, 2020
- DSM IP Assets B. V.
- Bertus NOORDAM
- C13 - SUGAR INDUSTRY
Information Patent Application
LOW VISCOSITY KRAFT FIBER HAVING REDUCED YELLOWING PROPERTIES AND M...
- Publication number 20200181839
- Publication date Jun 11, 2020
- GP Cellulose GMbH
- Arthur J. Nonni
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
BIOMASS, THERMAL PRESSURE HYDROLYSIS AND ANAEROBIC DIGESTION
- Publication number 20200157739
- Publication date May 21, 2020
- THERMO PRESSURE TECHNOLOGIES LIMITED
- IAN CECIL TOLL
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Method For Recovering Concentrated Hydrolysate After Hydrolysis Of...
- Publication number 20200123706
- Publication date Apr 23, 2020
- VALMET AB
- Lari LAMMI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...
- Publication number 20200048669
- Publication date Feb 13, 2020
- DSM IP Assets B. V.
- Bertus NOORDAM
- C13 - SUGAR INDUSTRY
Information Patent Application
METHOD FOR MANUFACTURING DISSOLVING PULP
- Publication number 20190390404
- Publication date Dec 26, 2019
- SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING
- Jim Parkås
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS AND APPARATUS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC M...
- Publication number 20190345525
- Publication date Nov 14, 2019
- DSM IP Assets B. V.
- Bertus NOORDAM
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
PROCESS OF PRODUCING FIBRILLATED NANOCELLULOSE WITH LOW ENERGY CONS...
- Publication number 20190301094
- Publication date Oct 3, 2019
- FIBRIA CELULOSE S.A.
- Heloisa Ogushi Romeiro RAMIRES
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Use of Cellulase to improve Viscosity Control of Dissolving Pulp
- Publication number 20190257031
- Publication date Aug 22, 2019
- NOVOZYMES A/S
- Pedro Emanuel Garcia-Loureiro
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CELLULOSE ACETATE
- Publication number 20190077885
- Publication date Mar 14, 2019
- DAICEL CORPORATION
- Hiroyuki MATSUMURA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...
- Publication number 20190062794
- Publication date Feb 28, 2019
- DSM IP Assets B. V.
- Bertus NOORDAM
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
LOW VISCOSITY KRAFT FIBER HAVING REDUCED YELLOWING PROPERTIES AND M...
- Publication number 20180266051
- Publication date Sep 20, 2018
- GP Cellulose GMbH
- Arthur J. Nonni
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Method for reducing pulp viscosity in production of dissolving pulp
- Publication number 20180163344
- Publication date Jun 14, 2018
- KEMIRA OYJ
- Leif Robertsen
- C07 - ORGANIC CHEMISTRY

Multistage processes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method of feeding wood chips to a prehydrolysis reactor

Method for non-catalytic delignification of biomass inside an appar...

Multi-step process for the isolation of components from Miscanthus

Process for enzymatic hydrolysis of lignocellulosic material and fe...

Process of producing nanofibrillated cellulose with low energy cons...

Process for enzymatic hydrolysis of lignocellulosic material and fe...

Outlet system for transporting comminuted lignocellulosic material...

Processes and systems for the pulping of lignocellulosic materials

Method for manufacturing dissolving pulp

Low viscosity kraft fiber having reduced yellowing properties and m...

Method for recovering concentrated hydrolysate after hydrolysis of...

Process for enzymatic hydrolysis of lignocellulosic material and fe...

Process for enzymatic hydrolysis of lignocellulosic material and fe...

Biomass, thermal pressure hydrolysis and anaerobic digestion

Modified cellulose from chemical fiber and methods of making and us...

Processes and systems for the pulping of lignocellulosic materials

Low viscosity kraft fiber having reduced yellowing properties and m...

Process for enzymatic hydrolysis of lignocellulosic material and fe...

Method for reducing pulp viscosity in production of dissolving pulp

Use of surfactant to treat pulp and improve the incorporation of kr...

Process for enzymatic hydrolysis of lignocellulosic material and fe...

Cost efficient kraft cooking method using polysulfide cooking liquor

Process for enzymatic hydrolysis of lignocellulosic material and fe...

Process and apparatus for enzymatic hydrolysis of lignocellulosic m...

Systems, devices and methods for agricultural product pulping

Method for continuously cooking grass raw materials and device

Low viscosity kraft fiber having reduced yellowing properties and m...

High yield and enhanced performance fiber

Method for pretreating cellulose pulp

Method for displacement in batch digesters

Patents Applicationslast 30 patents

A METHOD FOR CHEMICAL PULP PRODUCTION IN A MULTI-STAGE PROCESS

PROCESS FOR TREATMENT OF BIOMASS FOR PULPING AND BIOREFINERY APPLIC...

METHOD FOR PRODUCING PRODUCTS BASED ON NON-WOODY BIOMASS AS RAW MAT...

Optimization Of Chemical Consumption in Biomass Delignification

EXTRACTION OF DELIGNIFIED, CELLULOSE-BASED FIBERS FROM NATURAL PLAN...

ARAMID PULP AND METHOD FOR MANUFACTURING THE SAME

PULP FOR PAPER, BOARD OR CARD AND THE PROVISION AND USE THEREOF

A METHOD FOR NON-CATALYTIC DELIGNIFICATION OF BIOMASS INSIDE AN APP...

METHOD OF PRODUCING HOLOCELLULOSE AND PAPER STRENGTH AGENT, PROCESS...

METHOD OF FEEDING WOOD CHIPS TO A PREHYDROLYSIS REACTOR

OUTLET SYSTEM FOR TRANSPORTING COMMINUTED LIGNOCELLULOSIC MATERIAL...

METHOD FOR TREATING DISSOLVING PULP

PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...

PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...

MULTI-STEP PROCESS FOR THE ISOLATION OF COMPONENTS FROM MISCANTHUS

Dissolution of Cellulose in Ionic Liquids

PROCESSES AND SYSTEMS FOR THE PULPING OF LIGNOCELLULOSIC MATERIALS

PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...

LOW VISCOSITY KRAFT FIBER HAVING REDUCED YELLOWING PROPERTIES AND M...

BIOMASS, THERMAL PRESSURE HYDROLYSIS AND ANAEROBIC DIGESTION

Method For Recovering Concentrated Hydrolysate After Hydrolysis Of...

PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...

METHOD FOR MANUFACTURING DISSOLVING PULP

PROCESS AND APPARATUS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC M...

PROCESS OF PRODUCING FIBRILLATED NANOCELLULOSE WITH LOW ENERGY CONS...

Use of Cellulase to improve Viscosity Control of Dissolving Pulp

CELLULOSE ACETATE

PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FE...

LOW VISCOSITY KRAFT FIBER HAVING REDUCED YELLOWING PROPERTIES AND M...

Method for reducing pulp viscosity in production of dissolving pulp