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D21B1/066
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D
TEXTILES PAPER
D21
Papermaking
D21B
FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
D21B1/00
Fibrous raw materials or their mechanical treatment
Current Industry
D21B1/066
the raw material being pulp sheets
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Patents Grants
last 30 patents
Information
Patent Grant
Modified fiber from shredded pulp sheets, methods, and systems
Patent number
11,339,532
Issue date
May 24, 2022
International Paper Company
Charles E. Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus and method for conditioning bamboo or vegetable cane fiber
Patent number
10,882,048
Issue date
Jan 5, 2021
Resource Fiber LLC
Leland Slaven
B30 - PRESSES
Information
Patent Grant
Process for the production of a microfibrillated cellulose composition
Patent number
10,648,130
Issue date
May 12, 2020
Solenis Technologies, L.P.
Hubertus Kroener
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Modified fiber from shredded pulp sheets, methods, and systems
Patent number
10,156,042
Issue date
Dec 18, 2018
International Paper Company
Charles E. Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Crusher, absorber-manufacturing device, and pulp sheet-crushing method
Patent number
10,098,791
Issue date
Oct 16, 2018
ZUIKO CORPORATION
Takao Wada
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Device for producing absorbent body
Patent number
9,718,211
Issue date
Aug 1, 2017
Zuiko Corporation
Yoshihiro Nakajima
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Pulp crushing apparatus
Patent number
7,600,704
Issue date
Oct 13, 2009
Livedo Corporation
Kazuya Maruhata
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for singulating cellulose fibers from a wet pulp sheet
Patent number
7,399,377
Issue date
Jul 15, 2008
Weyerhaeuser Co.
Ray Crane
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for producing a photocatalytic pulp composition and molded...
Patent number
7,060,160
Issue date
Jun 13, 2006
Ein Kohsan Co., Ltd.
Sadao Nishibori
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of forming and metering fluff pulp
Patent number
6,773,545
Issue date
Aug 10, 2004
Kimberly-Clark Worldwide, Inc.
James Jay Tanner
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for forming and metering fluff pulp
Patent number
6,524,442
Issue date
Feb 25, 2003
Kimberly-Clark Worldwide, Inc.
James Jay Tanner
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for crosslinking individualized cellulose fibers
Patent number
6,436,231
Issue date
Aug 20, 2002
Weyerhaeuser
Peter A. Graef
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Photocatalytic pulp composition
Patent number
6,419,792
Issue date
Jul 16, 2002
Ein Kohsan Co., Ltd.
Sadao Nishibori
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Reactive cyclic N-sulfatoimides and cellulose crosslinked with the...
Patent number
5,556,976
Issue date
Sep 17, 1996
Richard A. Jewell
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of making a liquid feedstock from a plurality of pulp sheet...
Patent number
5,484,508
Issue date
Jan 16, 1996
Courtaulds Fibres (Holdings) Ltd.
Philip J. Urwin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for crosslinking individualized cellulose fibers
Patent number
5,437,418
Issue date
Aug 1, 1995
Weyerhaeuser Company
Peter A. Graef
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Comminuting wood pulp sheeting
Patent number
5,375,780
Issue date
Dec 27, 1994
Courtaulds Fibres (Holdings) Ltd.
Gary E. G. Gray
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method and apparatus for crosslinking individualized cellulose fibers
Patent number
5,366,591
Issue date
Nov 22, 1994
Richard A. Jewell
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for crosslinking cellulose fibers
Patent number
5,324,391
Issue date
Jun 28, 1994
Weyerhaeuser Company
Allan R. Carney
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Multi pin rotor fiber fluff generator
Patent number
5,277,371
Issue date
Jan 11, 1994
Weyerhaeuser Company
Mark W. Bowns
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiberizing apparatus
Patent number
5,253,815
Issue date
Oct 19, 1993
Weyerhaeuser Company
Mark W. Bowns
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Screenless disk mill
Patent number
5,195,684
Issue date
Mar 23, 1993
Curt G. Joa, Inc.
Edmund Radzins
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of forming webs without confining ducts
Patent number
5,093,962
Issue date
Mar 10, 1992
Chicopee
Allan P. Farrington
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Ductless webber
Patent number
5,093,963
Issue date
Mar 10, 1992
Chicopee
Allan P. Farrington
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method and apparatus for fiberizing and cellulosic product thereof
Patent number
4,919,340
Issue date
Apr 24, 1990
Advanced Fiber Technology, Inc.
Milton Gerber
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiber processing apparatus having slotted outlets
Patent number
4,732,552
Issue date
Mar 22, 1988
Kimberly-Clark Corporation
Raymond Chung
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluff mill
Patent number
4,729,516
Issue date
Mar 8, 1988
Williams Patent Crusher and Pulverizer Company
Robert M. Williams
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for the dry defibration of sheets of fibrous cellulose ma...
Patent number
4,673,136
Issue date
Jun 16, 1987
Fameccanica S.p.A.
Carlo Bianco
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for fiberizing fibrous sheets
Patent number
4,650,127
Issue date
Mar 17, 1987
Kimberly-Clark Corporation
Fred R. Radwanski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Offset orbit fluff generator
Patent number
4,497,448
Issue date
Feb 5, 1985
Curt G. Joa, Inc.
Curt G. Joa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
MODIFIED FIBER FROM SHREDDED PULP SHEETS, METHODS, AND SYSTEMS
Publication number
20190085508
Publication date
Mar 21, 2019
International Paper Company
Charles E. Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
APPARATUS AND METHOD FOR CONDITIONING BAMBOO OR VEGETABLE CANE FIBER
Publication number
20180010298
Publication date
Jan 11, 2018
Resource Fiber LLC
Leland Slaven
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
MODIFIED FIBER FROM SHREDDED PULP SHEETS, METHODS, AND SYSTEMS
Publication number
20170183817
Publication date
Jun 29, 2017
WEYERHAEUSER NR COMPANY
Charles E. Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR THE PRODUCTION OF A MICROFIBRILLATED CELLULOSE COMPOSITION
Publication number
20160145805
Publication date
May 26, 2016
BASF SE
Hubertus KROENER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR DEFIBERIZING PULP
Publication number
20130037635
Publication date
Feb 14, 2013
Anirudh Singh
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
Pulp Crushing Apparatus
Publication number
20070227679
Publication date
Oct 4, 2007
Kazuya Maruhata
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Apparatus for defibering paper or dry pulp
Publication number
20060157389
Publication date
Jul 20, 2006
TURBO AIR DEFIBERING
Robert E. Boudria
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
Photocatalytic pulp composition
Publication number
20060124786
Publication date
Jun 15, 2006
Sadao Nishibori
B32 - LAYERED PRODUCTS
Information
Patent Application
Process for singulating cellulose fibers from a wet pulp sheet
Publication number
20040129392
Publication date
Jul 8, 2004
Ray Crane
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for forming and metering fluff pulp
Publication number
20030089478
Publication date
May 15, 2003
James Jay Tanner
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Photocatalytic pulp composition, photocatalytic pulp foam using sai...
Publication number
20030051833
Publication date
Mar 20, 2003
Sadao Nishibori
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Photocatalytic pulp composition
Publication number
20030051842
Publication date
Mar 20, 2003
Sadao Nishibori
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method of forming and metering fluff pulp
Publication number
20020059993
Publication date
May 23, 2002
James Jay Tanner
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE