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Wolfgang Dannhorn
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Soltau, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing methylhydroxyalkylcellulose having a small nu...
Patent number
8,197,699
Issue date
Jun 12, 2012
Dow Global Technologies LLC
Martin Kowollik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of preparing alkylhydroxyalkylcellulose
Patent number
7,402,668
Issue date
Jul 22, 2008
Dow Wolff Cellulosics GmbH
Wolfgang Dannhorn
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 preparing alkylhydroxyalkyl cellulose
Patent number
6,891,034
Issue date
May 10, 2005
Wolff Walsrode AG
Wolfgang Dannhorn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Lacquer vehicles in granular form and free from emulsifying agents,...
Patent number
5,711,793
Issue date
Jan 27, 1998
Wolff Walsrode AG
Wolfgang Dannhorn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Radiation-curable, aqueous dispersions, production and use thereof
Patent number
5,684,081
Issue date
Nov 4, 1997
Wolff Walsrode AG
Wolfgang Dannhorn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous reactive microgel dispersions, a method of preparing them a...
Patent number
5,565,504
Issue date
Oct 15, 1996
Wolff Walsrode Aktiengesellschaft
Wolfgang Dannhorn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer dispersion
Patent number
5,539,018
Issue date
Jul 23, 1996
Wolff Walsrode Aktiengesellschaft
Erhard L uhmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable, highly crosslinking lacquer binders and their use fo...
Patent number
5,510,453
Issue date
Apr 23, 1996
Wolff Walsrode Aktiengesellschaft
Burkhard Kressdorf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reactive water-emulsifiable binders and their use for the productio...
Patent number
5,459,196
Issue date
Oct 17, 1995
Wolff Walsrode Aktiengesellschaft
Burkhard Kressdorf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
ADDITIVE FOR HYDRAULICALLY SETTING MIXTURES
Publication number
20150321957
Publication date
Nov 12, 2015
DOW GLOBAL TECHNOLOGIES LLC
Wolfgang DANNHORN
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
TERNARY MIXED ETHERS
Publication number
20110111229
Publication date
May 12, 2011
Hartwig Schlesiger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Double-cone mixer with baffles
Publication number
20070297280
Publication date
Dec 27, 2007
Wolff Cellulosics GmbH & Co. KG
Martin Kowollik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for preparing methylhydroxyalkylcellulose having a small nu...
Publication number
20070210014
Publication date
Sep 13, 2007
Wolff Cellulosics GmbH & Co. KG
Martin Kowollik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for the production of methylhydroxyalkyl cellulose
Publication number
20050240016
Publication date
Oct 27, 2005
Wolff Cellulosics GmbH & Co. KG
Hartwig Schlesiger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cellulose ether blends of increased bulk density, their use in cons...
Publication number
20040225035
Publication date
Nov 11, 2004
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-...
Information
Patent Application
Process of preparing alkylhydroxyalkylcellulose
Publication number
20030065165
Publication date
Apr 3, 2003
Wolfgang Dannhorn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for preparing alkylhydroxyalkyl cellulose
Publication number
20020038018
Publication date
Mar 28, 2002
Wolfgang Dannhorn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...