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Guenther Lechner
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Woerthsee, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Self-etching emulsion dental compositions and methods
Patent number
7,699,605
Issue date
Apr 20, 2010
3M Espe AG
Steven M. Aasen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of branched polyacids in dental compounds
Patent number
7,456,232
Issue date
Nov 25, 2008
3M Espe AG
Markus Mikulla
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Self-etching emulsion dental compositions and methods
Patent number
7,452,924
Issue date
Nov 18, 2008
3M Espe AG
Steven M. Aasen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
N-alkylaziridine prepolymers as a dental material
Patent number
7,276,545
Issue date
Oct 2, 2007
3M Espe AG
Gunther Eckhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aziridinosilicones and the use thereof
Patent number
6,906,117
Issue date
Jun 14, 2005
3M Espe AG
Reinhold Nowak
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
N-alkyl aziridine block copolymers and the uses thereof
Patent number
6,867,246
Issue date
Mar 15, 2005
3M Espe AG
Reinhold Nowak
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dental impression composition on functionalized polyethers
Patent number
6,383,279
Issue date
May 7, 2002
ESPE Dental AG
Gunther Eckhardt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
SELF-ETCHING EMULSION DENTAL COMPOSITIONS AND METHODS
Publication number
20090035728
Publication date
Feb 5, 2009
3M Innovative Properties Company
Steven M. Aasen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Self-etching emulsion dental compositions and methods
Publication number
20050176844
Publication date
Aug 11, 2005
Steven M. Aasen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
N-alkylaziridine prepolymers as a dental material
Publication number
20040149164
Publication date
Aug 5, 2004
Gunther Eckhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Aziridinosilicones and the use thereof
Publication number
20040014924
Publication date
Jan 22, 2004
Reinhold Nowak
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
N-alkyl aziridine block copolymers and the uses thereof
Publication number
20040014907
Publication date
Jan 22, 2004
Reinhard Nowak
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...