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Werner Lange
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Visselhoevede, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the preparation of nitrocellulose solutions having a lo...
Patent number
8,388,748
Issue date
Mar 5, 2013
Dow Global Technologies LLC
Holger Tanneberger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Building material compositions
Patent number
6,943,247
Issue date
Sep 13, 2005
Wolff Walsrode AG
René Kiesewetter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Essentially fiber-free cellulose ether with improved water retentio...
Patent number
6,593,468
Issue date
Jul 15, 2003
Wolff Walsrode AG
Werner Lange
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of cellulose mixed ethers as additives for earth pressure shields
Patent number
5,808,052
Issue date
Sep 15, 1998
Wolff Walsrode AG
Klaus Szablikowski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-soluble sulphoalkyl hydroxyalkyl derivatives of cellulose and...
Patent number
5,385,607
Issue date
Jan 31, 1995
Wolff Walsrode AG
Rene Kiesewetter
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Use of water-soluble sulphoalkyl derivatives of cellulose in gypsum...
Patent number
5,358,561
Issue date
Oct 25, 1994
Wolff Warlsrode AG
Rene Kiesewetter
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Water-soluble polymers and their use as flushing liquid additives f...
Patent number
4,749,498
Issue date
Jun 7, 1988
Wolff Walsrode Aktiengesellschaft
Werner Lange
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Process for the Preparation of Nitrocellulose Solutions having a lo...
Publication number
20100126382
Publication date
May 27, 2010
Holger Tanneberger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Nitrocellulose-based binders for aqueous nail varnishes
Publication number
20070243149
Publication date
Oct 18, 2007
Steffen Hofacker
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Building material compositions
Publication number
20010033941
Publication date
Oct 25, 2001
Rene Kiesewetter
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES