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by modification of the viscosity of the suspension
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D21F11/004
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D
TEXTILES PAPER
D21
Papermaking
D21F
PAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON
D21F11/00
Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
Current Industry
D21F11/004
by modification of the viscosity of the suspension
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Patents Grants
last 30 patents
Information
Patent Grant
Wetlaid nonwovens on high speed machines
Patent number
5,238,534
Issue date
Aug 24, 1993
James River Corporation of Virginia
James H. Manning
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for manufacturing paper products
Patent number
5,114,539
Issue date
May 19, 1992
Paper Chemistry Laboratory, Inc.
John G. Penniman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Manufacture of wetlaid nonwoven webs
Patent number
4,925,528
Issue date
May 15, 1990
James River Corporation of Virginia
Stephen H. Tse
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Manufacture of wet laid nonwoven webs
Patent number
4,822,452
Issue date
Apr 18, 1989
James River Corporation of Virginia
Stephen H. Tse
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for manufacturing paper products
Patent number
4,684,440
Issue date
Aug 4, 1987
Paper Chemistry Laboratory, Inc.
John G. Penniman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Wet-laid, non-woven fabrics
Patent number
4,512,849
Issue date
Apr 23, 1985
International Paper Company
Ralph E. Brandon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing oriented fleeces or mats of short length fibers
Patent number
4,505,777
Issue date
Mar 19, 1985
Messerschmitt-Boelkow-Blohm GmbH
Heinz Richter
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for preparing fibrous mats from a fibrous suspension
Patent number
4,395,306
Issue date
Jul 26, 1983
The Dow Chemical Company
George R. Killat
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Viscous dispersion for forming wet-laid, non-woven fabrics
Patent number
4,200,488
Issue date
Apr 29, 1980
International Paper Company
Ralph E. Brandon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Improved pulp sheet formation
Patent number
4,198,267
Issue date
Apr 15, 1980
Dorset Industrial Chemicals Ltd.
Edwin H. Flaherty
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Continuous papermaking process
Patent number
4,081,319
Issue date
Mar 28, 1978
The Dexter Corporation
Bernard W. Conway
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Viscous dispersion for forming wet-laid, non-woven fabrics
Patent number
4,049,491
Issue date
Sep 20, 1977
International Paper Company
Ralph E. Brandon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Tufted nonwoven fibrous web
Patent number
4,042,453
Issue date
Aug 16, 1977
The Dexter Corporation
Bernard W. Conway
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Manufacture of composite materials
Patent number
4,016,031
Issue date
Apr 5, 1977
National Research Development Corporation
Greville Euan Gordon Bagg
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process of forming wet laid tufted nonwoven fibrous web and tufted...
Patent number
3,960,652
Issue date
Jun 1, 1976
The Dexter Corporation
Bernard W. Conway
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
3834983
Patent number
3,834,983
Issue date
Sep 10, 1974
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3794557
Patent number
3,794,557
Issue date
Feb 26, 1974
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3772142
Patent number
3,772,142
Issue date
Nov 13, 1973
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3617437
Patent number
3,617,437
Issue date
Nov 2, 1971
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
3391057
Patent number
3,391,057
Issue date
Jul 2, 1968
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3245871
Patent number
3,245,871
Issue date
Apr 12, 1966
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3093534
Patent number
3,093,534
Issue date
Jun 11, 1963
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents