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Frank Hohl
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Neuenkirchen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Preparation of cellulose ether products of increased viscosity and...
Patent number
7,683,110
Issue date
Mar 23, 2010
Dow Global Technologies Inc.
Hartwig Schlesiger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose ether composition for the extrusion of mineral shaped bod...
Patent number
7,491,755
Issue date
Feb 17, 2009
Roland Bayer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for cement extrusion that makes use of crosslinked cellulos...
Patent number
7,041,168
Issue date
May 9, 2006
Wolff Cellulosics GmbH & Co.,
Hartwig Schlesiger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of preparing delayed-dissolution cellulose ethers
Patent number
7,012,139
Issue date
Mar 14, 2006
Wolff Cellulosics GmbH & Co. KF
Hartwig Schlesiger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of hydrocolloid mixtures having improve...
Patent number
5,062,889
Issue date
Nov 5, 1991
Wolff Walsrode AG
Frank Hohl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tile adhesive based on water-dilutable, cellulose-containing pastes
Patent number
4,764,548
Issue date
Aug 16, 1988
Wolff Walsrode Aktiengesellschaft
Lutz Hoppe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble polymers and use as building material auxiliaries
Patent number
4,727,116
Issue date
Feb 23, 1988
Wolff Walsrode AG
Werner Lange
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Water-soluble polymers and their use as auxiliaries for building ma...
Patent number
4,703,087
Issue date
Oct 27, 1987
Wolff Walsrode AG
Werner Lange
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Water-soluble, polymer-modified hydroxyalkyl methyl cellulose and i...
Patent number
4,588,772
Issue date
May 13, 1986
Wolff Walsrode AG
Branislav Bohmer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
Preparation of cellulose ether products of increased viscosity and...
Publication number
20070088106
Publication date
Apr 19, 2007
Wolff Cellulosics GmbH & Co. KG
Hartwig Schlesiger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cellulose ether composition for the extrusion of mineral shaped bod...
Publication number
20050080167
Publication date
Apr 14, 2005
Roland Bayer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Additives containing cellulose derivatives having gel-like rheologi...
Publication number
20050034636
Publication date
Feb 17, 2005
Hartwig Schlesiger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process of preparing delayed-dissolution cellulose ethers
Publication number
20030130500
Publication date
Jul 10, 2003
Hartwig Schlesiger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...