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D21C1/02
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D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C1/00
Pretreatment of the finely-divided materials before digesting
Current Industry
D21C1/02
with water or steam
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing shortened anionically modified cellulose fibers
Patent number
11,959,194
Issue date
Apr 16, 2024
Kao Corporation
Shunsuke Fukui
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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
Nanolignocellulose compositions and processes to produce these comp...
Patent number
11,834,523
Issue date
Dec 5, 2023
GranBio Intellectual Property Holdings, LLC
Kimberly Nelson
C13 - SUGAR INDUSTRY
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
Methods of making specialized lignin and lignin products from biomass
Patent number
11,692,000
Issue date
Jul 4, 2023
Apalta Patents OÜ
Scott Tudman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
System for treatment of a biomass material and a method for connect...
Patent number
11,674,264
Issue date
Jun 13, 2023
Valmet AB
Patrik Pettersson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dissolving wood pulps and methods of making and using the same
Patent number
11,661,704
Issue date
May 30, 2023
GP Cellulose GmbH
Arthur James Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for preparing dissolving pulp by TCF bleaching of poplar KP
Patent number
11,643,777
Issue date
May 9, 2023
QILU UNIVERSITY OF TECHNOLOGY
Xingxiang Ji
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for the separation of baobab fibers
Patent number
11,643,774
Issue date
May 9, 2023
HOPE TREE INTERNATIONAL GMBH
Lambert Dustin Dinzinger
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for preparing unbleached biomechanical pulp from straw
Patent number
11,624,154
Issue date
Apr 11, 2023
QILU UNIVERSITY OF TECHNOLOGY
Jiachuan Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composite cellulose material obtained from coffee husks or cocoa sh...
Patent number
11,578,191
Issue date
Feb 14, 2023
Industria Colombiana de Cafe S.A.S.
Juan Carlos Posada Correa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Integrated waste conversion system and method
Patent number
11,572,513
Issue date
Feb 7, 2023
YMIR TECHNOLOGIES EHF.
Oddur Ingolfsson
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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
Combustion of streams derived from hot water extraction of wood mat...
Patent number
11,512,428
Issue date
Nov 29, 2022
Cascades Canada ULC
Jonathan Lalonde
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for extracting biomass
Patent number
11,377,790
Issue date
Jul 5, 2022
CH-Bioforce Oy
Sebastian Von Schoultz
C13 - SUGAR INDUSTRY
Information
Patent Grant
Nanocellulose-reinforced corrugated medium
Patent number
11,359,334
Issue date
Jun 14, 2022
GranBio Intellectual Property Holdings, LLC
Theodora Retsina
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and system for producing pulp, energy, and bioderivatives f...
Patent number
11,305,254
Issue date
Apr 19, 2022
Circ, LLC
Sandeep Kumar
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrothermal-mechanical conversion of lignocellulosic biomass to et...
Patent number
11,254,957
Issue date
Feb 22, 2022
GranBio Intellectual Property Holdings, LLC
Theodora Retsina
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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
Isolation method for water insoluble components of a biomass
Patent number
11,174,355
Issue date
Nov 16, 2021
Green Extraction Technologies
Melvin Mitchell
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing a bio-product
Patent number
11,174,498
Issue date
Nov 16, 2021
Versalis S.p.A.
Daniele Riva
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method for treating biomass and device for treating biomass
Patent number
11,162,216
Issue date
Nov 2, 2021
Valmet AB
Francois Lambert
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Steam saving device
Patent number
11,155,962
Issue date
Oct 26, 2021
Clariant International, Ltd.
Björn Hühnlein
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Refiner apparatus and a method for refining cellulosic material
Patent number
11,118,307
Issue date
Sep 14, 2021
DAPROX AB
Bengt â„«kerblom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dissolving wood pulps and methods of making and using the same
Patent number
11,105,042
Issue date
Aug 31, 2021
GP Cellulose GmbH
Arthur J. Nonni
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
Methods and systems for processing mixed textile feedstock, isolati...
Patent number
11,034,817
Issue date
Jun 15, 2021
EVRNU, SPC
Stacy Flynn
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method of converting biomass
Patent number
11,001,777
Issue date
May 11, 2021
CH-Bioforce Oy
Lari Vähäsalo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sulfur dioxide and/or sulfurous acid pretreatment with sulfur dioxi...
Patent number
10,995,314
Issue date
May 4, 2021
Iogen Corporation
Brian Foody
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and arrangement for generating process steam
Patent number
10,982,388
Issue date
Apr 20, 2021
Andritz Oy
Aki Muhli
F22 - STEAM GENERATION
Patents Applications
last 30 patents
Information
Patent Application
Process and System for Producing Pulp, Energy, and Bioderivatives f...
Publication number
20240131489
Publication date
Apr 25, 2024
Circ, LLC
Sandeep Kumar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS BODY PROCESSING APPARATUS
Publication number
20240102239
Publication date
Mar 28, 2024
SEIKO EPSON CORPORATION
Karen HASEBE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS BODY PROCESSING APPARATUS
Publication number
20240102240
Publication date
Mar 28, 2024
SEIKO EPSON CORPORATION
Jun SAKURADA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
APPARATUSES, METHODS AND SYSTEMS FOR YIELD INCREASE IN A KRAFT COOK...
Publication number
20230374730
Publication date
Nov 23, 2023
Bracell Bahia Specialty Cellulose SA
Vinicius de Oliveira Salaroli
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A HIGH YIELD COOKING METHOD
Publication number
20230265611
Publication date
Aug 24, 2023
AMPPC Finland Oy
Matti KURKI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A COOKING METHOD
Publication number
20230265612
Publication date
Aug 24, 2023
AMPPC Finland Oy
Matti KURKI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A PRE-HYDROLYSIS PRESSURE VESSEL SYSTEM COMPRISING A CLEANING ARRAN...
Publication number
20230256411
Publication date
Aug 17, 2023
VALMET AB
Patrik PETTERSSON
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHODS AND SYSTEMS FOR PROCESSING MIXED TEXTILE FEEDSTOCK, ISOLATI...
Publication number
20230124761
Publication date
Apr 20, 2023
EVRNU, SPC
Stacy Flynn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
ARRANGEMENT AND METHOD FOR PRETREATMENT OF BIOMASS
Publication number
20230098986
Publication date
Mar 30, 2023
SEKAB E-TECHNOLOGY AB
Anders Sjöblom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HEMP COMPOSITES
Publication number
20230062079
Publication date
Mar 2, 2023
Elham Fini
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
NANOCELLULOSE-REINFORCED CORRUGATED MEDIUM
Publication number
20230002972
Publication date
Jan 5, 2023
GranBio Intellectual Property Holdings, LLC
Theodora RETSINA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND PLANT FOR OBTAINING CELLULOSE FIBRES
Publication number
20230002971
Publication date
Jan 5, 2023
LEINICH BETEILIGUNGEN GMBH
Hermann DAUSER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CELLULOSE MATERIAL PLASTICIZATION AND VISCOSITY CONTROLLED CELLULOS...
Publication number
20220298725
Publication date
Sep 22, 2022
UPM-Kymmene Corporation
Pasi VIRTANEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HYDROTHERMAL-MECHANICAL CONVERSION OF LIGNOCELLULOSIC BIOMASS TO ET...
Publication number
20220243229
Publication date
Aug 4, 2022
GranBio Intellectual Property Holdings, LLC
Theodora RETSINA
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Method for preparing unbleached biomechanical pulp from straws and...
Publication number
20220205179
Publication date
Jun 30, 2022
QILU UNIVERSITY OF TECHNOLOGY
Zhongjian TIAN
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
Method for preparing unbleached biomechanical pulp by hot steam in...
Publication number
20220205176
Publication date
Jun 30, 2022
QILU UNIVERSITY OF TECHNOLOGY
Zhongjian TIAN
C05 - FERTILISERS MANUFACTURE THEREOF
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
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
COMBUSTION OF STREAMS DERIVED FROM HOT WATER EXTRACTION OF WOOD MAT...
Publication number
20220120036
Publication date
Apr 21, 2022
CASCADES CANADA ULC
Jonathan LALONDE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ISOLATION METHOD FOR WATER INSOLUBLE LIGNIN COMPONENTS OF A BIOMASS
Publication number
20220025130
Publication date
Jan 27, 2022
Green Extraction Technologies
Melvin Mitchell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
REACTOR DISCHARGE SCREW
Publication number
20210404116
Publication date
Dec 30, 2021
VALMET AB
Örjan AHLGREN
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Extraction of valuable components from bark
Publication number
20210395466
Publication date
Dec 23, 2021
Teknologian Tutkimuskeskus VTT Oy
Tarja Tamminen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NOVEL DISSOLVING WOOD PULPS AND METHODS OF MAKING AND USING THE SAME
Publication number
20210355635
Publication date
Nov 18, 2021
GP CELLULOSE GMBH
Arthur James NONNI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHODS AND SYSTEMS FOR PROCESSING MIXED TEXTILE FEEDSTOCK, ISOLATI...
Publication number
20210340350
Publication date
Nov 4, 2021
EVRNU, SPC
Stacy Flynn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHODS OF MAKING SPECIALIZED CELLULOSE AND OTHER PRODUCTS FROM BIO...
Publication number
20210285155
Publication date
Sep 16, 2021
Sweetwater Energy, Inc.
Scott TUDMAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESSES FOR PRODUCING NANOCELLULOSE, AND NANOCELLULOSE COMPOSITIO...
Publication number
20210277151
Publication date
Sep 9, 2021
API Intellectual Property Holdings, LLC
Kimberly NELSON
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
REACTOR DISCHARGE
Publication number
20210254281
Publication date
Aug 19, 2021
VALMET AB
Olof MELANDER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A REACTOR VESSEL FOR BIOMASS MATERIAL
Publication number
20210237024
Publication date
Aug 5, 2021
VALMET AB
Stefan MELLANDER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NANOLIGNOCELLULOSE COMPOSITIONS AND PROCESSES TO PRODUCE THESE COMP...
Publication number
20210221919
Publication date
Jul 22, 2021
GranBio Intellectual Property Holdings, LLC
Kimberly NELSON
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...