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JURGEN ENGELHARDT
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Patents Grants
last 30 patents
Information
Patent Grant
Water-soluble biodegradable hydroxyalkyl cellulose-2-hydroxycarboxy...
Patent number
6,559,300
Issue date
May 6, 2003
Wolff Walsrode AG
Joachim Simon
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic material consisting of aliphatic carbamic acid deriva...
Patent number
6,403,787
Issue date
Jun 11, 2002
Wolff Walsrode AG
Jürgen Engelhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing cellulose derivatives
Patent number
6,146,858
Issue date
Nov 14, 2000
Wolff Walsrode AG
Rainhardt Koch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compostable and thermoplastic cellulose ether-2-hydroxycarboxylic a...
Patent number
5,861,506
Issue date
Jan 19, 1999
Wolff Walsrode AG
Joachim Simon
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic and biodegradable polysaccharide esters/polysaccharid...
Patent number
5,717,087
Issue date
Feb 10, 1998
Wolff Walsrode AG
Jochen Kalbe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Thermoplastically workable, biodegradable moulding compositions
Patent number
5,698,612
Issue date
Dec 16, 1997
Bayer Akteingesellschaft
Joachim Simon
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic biodegradable polysaccharide derivatives, process for...
Patent number
5,639,865
Issue date
Jun 17, 1997
Wolff Walsrode Aktiengesellschaft
Jochen Kalbe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic cellulose ether ester graft copolymers and process fo...
Patent number
5,466,794
Issue date
Nov 14, 1995
Wolff Walsrode Aktiengesellschaft
Jochen Kalbe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
NANOPARTICLES MADE OF AMORPHOUS CELLULOSE
Publication number
20110293732
Publication date
Dec 1, 2011
Klaus Nachtkamp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NANOPARTICLES FROM SLIGHTLY OXIDISED CELLULOSE
Publication number
20110198533
Publication date
Aug 18, 2011
Klaus Nachtkamp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
THERMOPLASTIC MATERIAL CONSISTING OF ALIPHATIC CARBAMIC ACID DERIVA...
Publication number
20010007027
Publication date
Jul 5, 2001
JURGEN ENGELHARDT
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...