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Removal of fats, resins, pitch or waxes; Chemical or physical purification
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CPC
D21C9/08
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C9/00
After-treatment of cellulose pulp
Current Industry
D21C9/08
Removal of fats, resins, pitch or waxes; Chemical or physical purification
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Patents Grants
last 30 patents
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Patent Grant
Process for refining fiber and deriving chemical co-products from b...
Patent number
12,024,823
Issue date
Jul 2, 2024
Yitzac Goldstein
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Processes and systems for producing nanocellulose from old corrugat...
Patent number
12,018,432
Issue date
Jun 25, 2024
GranBio Intellectual Property Holdings, LLC
Kimberly Nelson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for manufacturing a fibrous web
Patent number
11,598,051
Issue date
Mar 7, 2023
Kemira Oyj
Jaakko Ekman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for obtaining cellulose
Patent number
11,512,426
Issue date
Nov 29, 2022
Rainer Fülling
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Selectively depolymerizing cellulosic materials for use as thermal...
Patent number
11,512,427
Issue date
Nov 29, 2022
DTE Materials Incorporated
Tanner Jolly
E04 - BUILDING
Information
Patent Grant
Fractionation of lignocellulosic biomass using maleic acid at low t...
Patent number
11,479,914
Issue date
Oct 25, 2022
Junyong Zhu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Removal of stickies in the recycling of paper and paperboard
Patent number
11,447,914
Issue date
Sep 20, 2022
Cesar I. Basilio
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of obtaining rayon fibers
Patent number
11,441,264
Issue date
Sep 13, 2022
King Abdulaziz University
Sherif Hindi
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Composition of matter effluent from refiner of a wet laid process
Patent number
11,306,433
Issue date
Apr 19, 2022
Eastman Chemical Company
Charles Stuart Everett
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Use of mesoporous silica
Patent number
11,142,868
Issue date
Oct 12, 2021
UNIVERSITA DEGLI STUDI DEL PIEMONTE ORIENTALE “A. AVOGADRO”
Ilaria Braschi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Drying/transportation and releasing MFC
Patent number
10,947,670
Issue date
Mar 16, 2021
Stora Enso Oyj
Jari Räsänen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for the production of high alpha-cellulose pulp
Patent number
10,927,497
Issue date
Feb 23, 2021
INVENTURE RENEWABLES INC.
William W. Berry
C13 - SUGAR INDUSTRY
Information
Patent Grant
Methods to reduce rewinder breaks during paper production from recy...
Patent number
10,767,314
Issue date
Sep 8, 2020
EPYGEN LABS FZ LLC
Debayan Ghosh
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method of directed fouling of a substance onto a selected surface
Patent number
10,760,213
Issue date
Sep 1, 2020
Renmatix, Inc.
Raymond P. Baker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing cellulose filaments with less refining energy
Patent number
10,683,612
Issue date
Jun 16, 2020
Xujun Hua
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions for bleaching pulps and their use
Patent number
10,683,613
Issue date
Jun 16, 2020
Imertech SAS
Mikko Likitalo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for preparing cellulose solution and equipment therefor
Patent number
10,676,576
Issue date
Jun 9, 2020
China Textile Academy
Yun'an Zhou
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing a pulp
Patent number
10,648,129
Issue date
May 12, 2020
Lenzing Aktiengesellschaft
Herbert Sixta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Enzymatic treatment of virgin fiber and recycled paper to reduce re...
Patent number
10,619,298
Issue date
Apr 14, 2020
Enzymatic Deinking Technologies, LLC
James G. Tausche
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Contamination inhibitor composition
Patent number
10,619,299
Issue date
Apr 14, 2020
Maintech Co., Ltd.
Hiroshi Sekiya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of improving paper machine forming wire, felt and woven drye...
Patent number
10,604,895
Issue date
Mar 31, 2020
Dubois Chemicals, Inc.
Brandon E. Mahler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and composition for detackifying organic contaminants in the...
Patent number
10,538,880
Issue date
Jan 21, 2020
Ecolab USA Inc.
Qing Qing Yuan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for suppressing pitch formation
Patent number
10,519,598
Issue date
Dec 31, 2019
KURITA WATER INDUSTRIES LTD.
Satoshi Wada
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of directed fouling of a substance onto a selected surface
Patent number
10,494,764
Issue date
Dec 3, 2019
Renmatix, Inc.
Raymond P. Baker
B08 - CLEANING
Information
Patent Grant
Biocidal compositions
Patent number
10,480,125
Issue date
Nov 19, 2019
BWA WATER ADDITIVES UK LIMITED
Jeffrey Kramer
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
High bulk tissue comprising cross-linked fibers
Patent number
10,458,067
Issue date
Oct 29, 2019
Kimberly-Clark Worldwide, Inc.
Michael Andrew Zawadzki
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Method of producing regenerated cellulose and hemicellulose
Patent number
10,415,183
Issue date
Sep 17, 2019
Metsä Spring Oy
Ismo Reilama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing paper, and pitch removal agent
Patent number
10,370,794
Issue date
Aug 6, 2019
Kurita Water Industries Ltd.
Chigusa Taguchi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Hydrophobised calcium carbonate particles
Patent number
10,322,946
Issue date
Jun 18, 2019
Omya International AG
Daniel Gantenbein
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for controlling the deposition of stickies in pulping and pa...
Patent number
10,253,454
Issue date
Apr 9, 2019
Birgit Blasing
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
DEVICE AND METHOD FOR SIMULTANEOUSLY PRODUCING A PLURALITY OF CONTA...
Publication number
20240200276
Publication date
Jun 20, 2024
KRONES AG
Frank WINZINGER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND DEVICE FOR STERILIZING RAW MATERIAL FOR PRODUCING AT LEA...
Publication number
20240200267
Publication date
Jun 20, 2024
KRONES AG
Jörg ZACHARIAS
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
METHOD FOR PRODUCING PRODUCTS BASED ON WOOD AS A RAW MATERIAL
Publication number
20240076831
Publication date
Mar 7, 2024
MM BOARD & PAPER GMBH
Anton FRIEDL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SELECTIVELY DEPOLYMERIZING CELLULOSIC MATERIALS FOR USE AS THERMAL...
Publication number
20230332352
Publication date
Oct 19, 2023
DTE Materials Incorporated
Tanner Jolly
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
METHOD TO TREAT A CONDENSATE IN A PULPING PROCESS
Publication number
20230265610
Publication date
Aug 24, 2023
SUZANO S.A.
Dimas DE MORAIS
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR REFINING FIBER AND DERIVING CHEMICAL CO-PRODUCTS FROM B...
Publication number
20230220622
Publication date
Jul 13, 2023
Circular Systems S.P.C.
Yitzac Goldstein
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PITCH CONTROL DURING BLEACHING
Publication number
20230212821
Publication date
Jul 6, 2023
KEMIRA OYJ
Leif ROBERTSEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
VOLATILE FATTY ACID CONTROL
Publication number
20220307198
Publication date
Sep 29, 2022
ECOLAB USA INC.
Herman Mark Grimm
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Fractionation of Lignocellulosic Biomass Using Maleic Acid at Low T...
Publication number
20220290369
Publication date
Sep 15, 2022
The United States as Represented by the Secretary of Agriculture
Junyong Zhu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESSES FOR BIOMASS TREATMENTS
Publication number
20220213276
Publication date
Jul 7, 2022
POLITECNICO DI MILANO
Andrea MELE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PREPARATION OF CELLULOSE FIBERS
Publication number
20220081833
Publication date
Mar 17, 2022
JENA TRADING APS
Per VINTHER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Fractionation of Lignocellulosic Biomass Using Maleic Acid at Low T...
Publication number
20220049419
Publication date
Feb 17, 2022
The United States as Represented by the Secretary of Agriculture
Junyong Zhu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
PROCESSES AND SYSTEMS FOR PRODUCING NANOCELLULOSE FROM OLD CORRUGAT...
Publication number
20210148048
Publication date
May 20, 2021
GranBio Intellectual Property Holdings, LLC
Kimberly NELSON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SELECTIVELY DEPOLYMERIZING CELLULOSIC MATERIALS FOR USE AS THERMAL...
Publication number
20200263356
Publication date
Aug 20, 2020
DTE Materials Incorporated
Tanner Jolly
E04 - BUILDING
Information
Patent Application
METHOD FOR PRODUCING RECYCLED FIBERS, AND RECYCLED FIBERS
Publication number
20200149220
Publication date
May 14, 2020
UNICHARM CORPORATION
Takayoshi Konishi
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
METHOD OF DIRECTED FOULING OF A SUBSTANCE ONTO A SELECTED SURFACE
Publication number
20200102701
Publication date
Apr 2, 2020
Renmatix, Inc.
Raymond P. Baker
B08 - CLEANING
Information
Patent Application
Method for manufacturing a fibrous web
Publication number
20200095730
Publication date
Mar 26, 2020
KEMIRA OYJ
Jaakko Ekman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITION OF MATTER EFFLUENT FROM REFINER OF A WET LAID PROCESS
Publication number
20200063339
Publication date
Feb 27, 2020
Eastman Chemical Company
Charles Stuart Everett
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BIOCIDAL COMPOSITIONS
Publication number
20200040526
Publication date
Feb 6, 2020
BWA WATER ADDITIVES UK LIMITED
Jeffrey Kramer
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
USE OF MESOPOROUS SILICA
Publication number
20190301096
Publication date
Oct 3, 2019
UNIVERSITA' DEGLI STUDI DEL PIEMONTE
Ilaria Braschi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HYDROPHOBISED CALCIUM CARBONATE PARTICLES
Publication number
20190256377
Publication date
Aug 22, 2019
Omya International AG
Daniel Gantenbein
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DRYING/TRANSPORTATION AND RELEASING MFC
Publication number
20190127911
Publication date
May 2, 2019
STORA ENSO OYJ
Jari Räsänen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Methods to reduce Rewinder Breaks during Paper Production from Recy...
Publication number
20180363249
Publication date
Dec 20, 2018
Epygen Labs FZ LLC
Debayan GHOSH
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR CLEAN FIBER RECOVERY FROM CONTAMINATED ARTICLES
Publication number
20180202102
Publication date
Jul 19, 2018
Kimberly-Clark Worldwide, Inc.
Kaiyuan Yang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CONTAMINATION INHIBITOR COMPOSITION
Publication number
20180100270
Publication date
Apr 12, 2018
MAINTECH CO., LTD.
Hiroshi SEKIYA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR PRODUCING CELLULOSE FILAMENTS WITH LESS REFINING ENERGY
Publication number
20180073194
Publication date
Mar 15, 2018
FPINNOVATIONS
Xujun HUA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method and Composition for Detackifying Organic Contaminants in the...
Publication number
20170314203
Publication date
Nov 2, 2017
ECOLAB USA INC.
Qing Qing Yuan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ADSORBING AND/OR REDUCTION OF THE AMOUNT OF ORGANIC MATERIALS IN AN...
Publication number
20170174533
Publication date
Jun 22, 2017
Omya Intemational AG
Daniel Gantenbein
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS FOR THE PRODUCTION OF HIGH ALPHA-CELLULOSE PULP
Publication number
20170121906
Publication date
May 4, 2017
INVENTURE RENEWABLES, INC.
William W. BERRY
C13 - SUGAR INDUSTRY