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D21C5/022
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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
D21C5/00
Other processes for obtaining cellulose
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D21C5/022
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Patents Grants
last 30 patents
Information
Patent Grant
Cleaning and depolluting of fibres originating from used cigarette...
Patent number
12,065,781
Issue date
Aug 20, 2024
Julien Paque
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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
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
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
High efficiency fiber bleaching process
Patent number
11,840,805
Issue date
Dec 12, 2023
GPCP IP Holdings LLC
Jeffrey A. Lee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for evaluating degree of cleanliness of recycled material, m...
Patent number
11,802,373
Issue date
Oct 31, 2023
Unicharm Corporation
Shigeo Imai
G01 - MEASURING TESTING
Information
Patent Grant
Method for producing recycled pulp fibers by decomposing super abso...
Patent number
11,771,604
Issue date
Oct 3, 2023
Unicharm Corporation
Takayoshi Konishi
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for producing pulp fibres for saccharification, and aqueous...
Patent number
11,773,536
Issue date
Oct 3, 2023
Unicharm Corporation
Kouichi Yamaki
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Lignocellulosic conversion processes and products
Patent number
11,667,981
Issue date
Jun 6, 2023
Virdia, LLC
Aharon Eyal
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Method for manufacturing recycled pulp from used sanitary products
Patent number
11,319,670
Issue date
May 3, 2022
Unicharm Corporation
Takayoshi Konishi
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for separating lignin from ligno-cellulosic material
Patent number
11,306,434
Issue date
Apr 19, 2022
King Abdulaziz University
Sherif Shawki Zaki Hindi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing pulp fibers to be saccharified
Patent number
11,299,851
Issue date
Apr 12, 2022
Unicharm Corporation
Kouichi Yamaki
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for recovery of cellulosic material from waste ligno-cellulo...
Patent number
11,136,715
Issue date
Oct 5, 2021
King Abdulaziz University
Sherif Shawki Zaki Hindi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods of optical brightening agent removal
Patent number
11,136,714
Issue date
Oct 5, 2021
Clean Chemistry, Inc.
Wayne E. Buschmann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for manufacturing recycled pulp from used sanitary products
Patent number
11,098,447
Issue date
Aug 24, 2021
Unicharm Corporation
Takayoshi Konishi
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for isolating alpha cellulose from lignocellulosic materials
Patent number
11,078,624
Issue date
Aug 3, 2021
King Abdulaziz University
Sherif Shawki Zaki Hindi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Recycled pulp fiber manufacturing method
Patent number
11,053,638
Issue date
Jul 6, 2021
Unicharm Corporation
Takayoshi Konishi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Recovery method for organic acid, and production method for recycle...
Patent number
11,021,839
Issue date
Jun 1, 2021
Unicharm Corporation
Takayoshi Konishi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Lignocellulosic composites prepared with aqueous alkaline and urea...
Patent number
10,995,452
Issue date
May 4, 2021
Bradley University
Brent H. Tisserat
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for recovering pulp fiber from used sanitary product and rec...
Patent number
10,961,658
Issue date
Mar 30, 2021
Unicharm Corporation
Takayoshi Konishi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for recovering pulp fibers from used absorbent article
Patent number
10,927,496
Issue date
Feb 23, 2021
Unicharm Corporation
Takayoshi Konishi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Lignocellulosic conversion processes and products
Patent number
10,876,178
Issue date
Dec 29, 2020
Virdia, Inc.
Aharon Eyal
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method for manufacturing recycled pulp from used sanitary products
Patent number
10,626,554
Issue date
Apr 21, 2020
Unicharm Corporation
Takayoshi Konishi
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for recovering pulp fibers from used absorbent article
Patent number
10,538,878
Issue date
Jan 21, 2020
Unicharm Corporation
Takayoshi Konishi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for recovering pulp fibers from used absorbent article
Patent number
10,533,282
Issue date
Jan 14, 2020
Unicharm Corporation
Takayoshi Konishi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for recovering pulp fiber from used sanitary product and rec...
Patent number
10,260,199
Issue date
Apr 16, 2019
Unicharm Corporation
Takayoshi Konishi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
CLEANING AND DEPOLLUTING OF FIBRES ORIGINATING FROM USED CIGARETTE...
Publication number
20240352672
Publication date
Oct 24, 2024
Julien PAQUE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
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
METHOD FOR PRODUCING RECYCLED PULP FIBERS, AND RECYCLED PULP FIBERS
Publication number
20240050290
Publication date
Feb 15, 2024
UNICHARM CORPORATION
Takayoshi Konishi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR THE PRODUCTION OF PAPER PRODUCTS
Publication number
20230167603
Publication date
Jun 1, 2023
NOVATRUST SA
Simone PRIANTE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING PULP FIBERS FOR CELLULOSE NANOFIBERIZATION, AN...
Publication number
20230160142
Publication date
May 25, 2023
UNICHARM CORPORATION
Takayoshi Konishi
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
STARCH FIXATION AND RETENTION IN RECYCLED FIBER SYSTEMS
Publication number
20230116374
Publication date
Apr 13, 2023
KEMIRA OYJ
Yuping Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CLEANING AND DEPOLLUTING OF FIBRES ORIGINATING FROM USED CIGARETTE...
Publication number
20230087232
Publication date
Mar 23, 2023
Julien PAQUE
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
METHOD FOR MANUFACTURING BLEACHED PULP FROM A FEEDSTOCK COMPRISING...
Publication number
20230073443
Publication date
Mar 9, 2023
WestRock MWV, LLC
Peter W. HART
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BAMBOO STRUCTURES, AND METHODS FOR FABRICATION AND USE THEREOF
Publication number
20220412002
Publication date
Dec 29, 2022
University of Maryland, College Park
Liangbing HU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
POLYMER COATED PAPER RECYCLING PROCESS AND COMPOSITION
Publication number
20220412003
Publication date
Dec 29, 2022
NANOCYCLE TECH INC.
Meysam ARAGHI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR SEPARATING LIGNIN FROM LIGNO-CELLULOSIC MATERIAL
Publication number
20210381163
Publication date
Dec 9, 2021
KING ABDULAZIZ UNIVERSITY
Sherif Shawki Zaki Hindi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR RECOVERY OF CELLULOSIC MATERIAL FROM WASTE LIGNO-CELLULO...
Publication number
20210269973
Publication date
Sep 2, 2021
KING ABDULAZIZ UNIVERSITY
Sherif Shawki Zaki Hindi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
USED PAPER DIAPER PROCESSING METHOD AND APPARATUS
Publication number
20210222363
Publication date
Jul 22, 2021
PANASONIC CORPORATION
Genichiro MATSUDA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LIGNOCELLULOSIC COMPOSITES PREPARED WITH AQUEOUS ALKALINE AND UREA...
Publication number
20210207320
Publication date
Jul 8, 2021
Brent H. TISSERAT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LIGNOCELLULOSIC CONVERSION PROCESSES AND PRODUCTS
Publication number
20210147952
Publication date
May 20, 2021
Virdia, Inc.
Aharon EYAL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING PULP FIBERS TO BE SACCHARIFIED
Publication number
20200399827
Publication date
Dec 24, 2020
UNICHARM CORPORATION
Kouichi Yamaki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR EVALUATING DEGREE OF CLEANLINESS OF RECYCLED MATERIAL, M...
Publication number
20200392669
Publication date
Dec 17, 2020
UNICHARM CORPORATION
Shigeo Imai
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING RECYCLED PULP FROM USED SANITARY PRODUCTS
Publication number
20200217013
Publication date
Jul 9, 2020
UNICHARM CORPORATION
Takayoshi KONISHI
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
METHOD FOR MANUFACTURING RECYCLED PULP FROM USED SANITARY PRODUCTS
Publication number
20200173104
Publication date
Jun 4, 2020
UNICHARM CORPORATION
Takayoshi KONISHI
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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 FOR PRODUCING PULP FIBRES FOR SACCHARIFICATION, AND AQUEOUS...
Publication number
20200141055
Publication date
May 7, 2020
UNICHARM CORPORATION
Kouichi Yamaki
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
METHOD FOR PRODUCING PULP FIBERS FOR CELLULOSE NANOFIBERIZATION, AN...
Publication number
20200131702
Publication date
Apr 30, 2020
UNICHARM CORPORATION
Takayoshi Konishi
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
A METHOD FOR MEASURING DISINTEGRATION OF A FIBROUS PRODUCT
Publication number
20200116620
Publication date
Apr 16, 2020
Kemira Oyj
Clayton Campbell
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR ISOLATING ALPHA CELLULOSE FROM LIGNOCELLULOSIC MATERIALS
Publication number
20200095728
Publication date
Mar 26, 2020
KING ABDULAZIZ UNIVERSITY
Sherif Shawki Zaki Hindi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR RECOVERING PULP FIBERS FROM USED ABSORBENT ARTICLE
Publication number
20190338463
Publication date
Nov 7, 2019
UNICHARM CORPORATION
Takayoshi KONISHI
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
METHOD FOR RECOVERING PULP FIBERS FROM USED ABSORBENT ARTICLE
Publication number
20190186074
Publication date
Jun 20, 2019
UNICHARM CORPORATION
Takayoshi KONISHI
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
REMOVAL OF STICKIES IN THE RECYCLING OF PAPER AND PAPERBOARD
Publication number
20190177913
Publication date
Jun 13, 2019
Thiele Kaolin Company
Cesar I. Basilio
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR RECOVERING PULP FIBERS FROM USED ABSORBENT ARTICLE
Publication number
20190169795
Publication date
Jun 6, 2019
UNICHARM CORPORATION
Takayoshi KONISHI
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
LIGNOCELLULOSIC COMPOSITES PREPARED WITH AQUEOUS ALKALINE AND UREA...
Publication number
20190119851
Publication date
Apr 25, 2019
Brent H. TISSERAT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE