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D21B1/325
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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
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D21B1/325
de-inking devices
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Patents Grants
last 30 patents
Information
Patent Grant
Processing device, sheet manufacturing apparatus, processing method...
Patent number
10,781,554
Issue date
Sep 22, 2020
Seiko Epson Corporation
Shunichi Seki
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Processing device, sheet manufacturing apparatus, processing method...
Patent number
10,626,552
Issue date
Apr 21, 2020
Seiko Epson Corporation
Satomi Yoshioka
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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
Methods for beating pulp, methods for treating process waters, and...
Patent number
8,784,608
Issue date
Jul 22, 2014
Nippon Paper Industries Co., Ltd.
Shisei Goto
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
System and method of solid ink removal for substrate re-use
Patent number
8,185,996
Issue date
May 29, 2012
Palo Alto Research Center Incorporated
Eric J. Shrader
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for treating papermaking feedstock
Patent number
8,123,909
Issue date
Feb 28, 2012
Nippon Paper Industries Co., Ltd.
Isao Onodera
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for producing recycled pulp, methods for modifying pulp fib...
Patent number
8,088,254
Issue date
Jan 3, 2012
Nippon Paper Industries Co., Ltd.
Shisei Goto
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for beating pulp, methods for treating process waters, and...
Patent number
7,967,947
Issue date
Jun 28, 2011
Nippon Paper Industries Co., Ltd.
Shisei Goto
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for producing recycled pulp and methods for modifying pulp...
Patent number
7,727,355
Issue date
Jun 1, 2010
Nippon Paper Industries Co., Ltd.
Shisei Goto
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of deinking recycled paper employing centrifigal cleaners
Patent number
7,534,322
Issue date
May 19, 2009
International Paper Company
Larry Derwood Markham
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for controlling operation of a flotation cell
Patent number
7,296,682
Issue date
Nov 20, 2007
Andritz AG
Helmuth Gabl
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for the generation of ultrasonic energy fields...
Patent number
6,736,904
Issue date
May 18, 2004
Paper Quality Management Associates
John Eugene Poniatowski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for removing contaminants from fibers in recycle fiber pulping
Patent number
6,458,240
Issue date
Oct 1, 2002
Georgia-Pacific Corporation
Michael P. Bouchette
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Separation of solids from aqueous suspensions containing cellulosic...
Patent number
6,248,207
Issue date
Jun 19, 2001
CIBA Specialty Chemicals Water Treatment Limited
Paul Kenneth Cutts
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for de-inking paper pulp from recycled paper
Patent number
6,197,153
Issue date
Mar 6, 2001
E & M Lamort
Alain Serres
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for treating a fibrous material suspension using combinatio...
Patent number
6,183,595
Issue date
Feb 6, 2001
Voith Sulzer Papiertechnik Patent GmbH
Herbert Britz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for cleaning a suspension, preferably a fiber mass suspen...
Patent number
6,182,478
Issue date
Feb 6, 2001
Valmet Corporation
Jouko Hautala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Baffle for reactors used for liquids purification
Patent number
6,053,328
Issue date
Apr 25, 2000
Comer Spa
Flavio Magaraggia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Froth moderating agent for controlling froth and reducing stickies...
Patent number
6,013,157
Issue date
Jan 11, 2000
BASF Corporation
Chin Li
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for regulating a paper pulp deinking line and device for co...
Patent number
6,010,593
Issue date
Jan 4, 2000
Centre Technique de l'Industrie des Papiers, Cartons et Celluloses
Guy Eymin Petot Tourtollet
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for purification of a fiber suspension
Patent number
6,000,552
Issue date
Dec 14, 1999
Sunds Defibrator Industries AB
Thomas Eriksson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper-pulp deinking method and equipment to implement this method
Patent number
5,979,665
Issue date
Nov 9, 1999
E & M Lamort
Alain Serres
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Deinking of impact and non-impact printed paper by an agglomeration...
Patent number
5,876,559
Issue date
Mar 2, 1999
International Paper Company
Narendra R. Srivatsa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Magnetic deinking of waste papers
Patent number
5,851,349
Issue date
Dec 22, 1998
Westvaco Corporation
Nipun Marwah
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Magnetic deinking of waste papers
Patent number
5,849,149
Issue date
Dec 15, 1998
Westvaco Corporation
Nipun Marwah
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Concentrated washing machine
Patent number
5,771,718
Issue date
Jun 30, 1998
Kabushiki Kaisha Taizen
Tetsuo Ide
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for controlling froth and reducing stickies in the flotation...
Patent number
5,718,801
Issue date
Feb 17, 1998
PPG Industries, Inc.
Chin Li
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for recovering fiber from printed wastepaper
Patent number
5,714,040
Issue date
Feb 3, 1998
Pellerin Milnor Corporation
Russell Harris Poy
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Gradual pressure applying type de-inking device for paper material
Patent number
5,687,923
Issue date
Nov 18, 1997
Kabushiki Kaisha Taizen
Tetsuo Ide
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Deinking of paper using magnetic forces
Patent number
5,685,952
Issue date
Nov 11, 1997
David Malcolm Owen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR SEPARATING PRINTING INK AND FIBER BY DRY-PROC...
Publication number
20240003083
Publication date
Jan 4, 2024
Xuan LI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESSING DEVICE, SHEET MANUFACTURING APPARATUS, PROCESSING METHOD...
Publication number
20180305869
Publication date
Oct 25, 2018
SEIKO EPSON CORPORATION
Shunichi SEKI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WASTE PAPER RECYCLING APPARATUS
Publication number
20170183816
Publication date
Jun 29, 2017
DUPLO SEIKO CORPORATION
Tadashi Terai
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PULPER WITH A SHAFT AND METHOD FOR PROCESSING COMPOSITE MATERIALS
Publication number
20140151473
Publication date
Jun 5, 2014
Hans-Joachim Boltersdorf
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
SYSTEM AND METHOD OF SOLID INK REMOVAL FOR SUBSTRATE RE-USE
Publication number
20120206546
Publication date
Aug 16, 2012
Palo Alto Research Center Incorporated
ERIC J. SHRADER
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Methods for beating pulp, methods for treating process waters, and...
Publication number
20110226428
Publication date
Sep 22, 2011
Nippon Paper Industries Co., Ltd.
Shisei Goto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD AND DEVICE FOR PROCESSING WASTE PAPER
Publication number
20110162810
Publication date
Jul 7, 2011
Andreas Faul
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
SYSTEM AND METHOD OF SOLID INK REMOVAL FOR SUBSTRATE RE-USE
Publication number
20100229889
Publication date
Sep 16, 2010
Palo Alto Research Center Incorporated
ERIC J. SHRADER
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Methods for producing recycled pulp, methods for modifying pulp fib...
Publication number
20100147479
Publication date
Jun 17, 2010
Nippon Paper Industries Co., Ltd.
Shisei GOTO
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD AND EQUIPMENT FOR EVALUATION OF RECYCLED PULP AND PULP
Publication number
20100135537
Publication date
Jun 3, 2010
Chun Ye
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
APPARATUS FOR TREATING PAPERMAKING FEEDSTOCK
Publication number
20090114360
Publication date
May 7, 2009
Nippon Paper Industries Co., Ltd.
Isao Onodera
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Methods for Beating Pulp, Methods for Treating Process Waters, and...
Publication number
20080078518
Publication date
Apr 3, 2008
Shisei Goto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Methods for producing recycled pulp, methods for modifying pulp fib...
Publication number
20070137804
Publication date
Jun 21, 2007
Shisei Goto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
System and method for removing foreign particles from an aqueous fi...
Publication number
20060254732
Publication date
Nov 16, 2006
VOITH PAPER PATENT GmbH
Juergen Dockal-Baur
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method of deinking recycled paper employing centrifigal cleaners
Publication number
20060065376
Publication date
Mar 30, 2006
International Paper Company
Larry Derwood Markham
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Reactor particularly suitable for cleaning fibrous suspensions disp...
Publication number
20060016731
Publication date
Jan 26, 2006
Giancarlo Dal Maso
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for controlling operation of a flotation cell
Publication number
20040200778
Publication date
Oct 14, 2004
Helmuth Gabl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and apparatus for the generation of ultrasonic energy fields...
Publication number
20020121285
Publication date
Sep 5, 2002
Paper Quality Management Associates
John Eugene Poniatowski
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Electrical field apparatus and methods for fluid for decontaminatio...
Publication number
20020121352
Publication date
Sep 5, 2002
J. Alan Lawson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Waste paper and fiber processing methods and apparatus
Publication number
20020108727
Publication date
Aug 15, 2002
HK Fiber Systems LLC
Robert W. Scogin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Waste paper and fiber processing methods and apparatus
Publication number
20020096270
Publication date
Jul 25, 2002
Robert W. Scogin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR REMOVING CONTAMINANTS FROM FIBERS IN RECYCLE FIBER PULPING
Publication number
20020096269
Publication date
Jul 25, 2002
Michael P. Bouchette
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for the carrying out of a flotation, bleach and/or dispersio...
Publication number
20020056531
Publication date
May 16, 2002
Volker Gehr
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE