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Wolf-Dietrich Zahler
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Hechendorf, DE
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last 30 patents
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Patent Grant
Polyether impression materials containing polyalkylene oxide deriva...
Patent number
5,130,348
Issue date
Jul 14, 1992
THERA Patent GmbH & Co., KG
Wolf-Dietrich Zahler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyether-impression material and method for its preparation and use
Patent number
5,086,148
Issue date
Feb 4, 1992
ESPE Stiftung & Co., Produktions - und Vertriebs KG
Peter Jochum
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental composition containing an aziridine compound and method of p...
Patent number
4,867,790
Issue date
Sep 19, 1989
ESPE Stiftung & Co. Produktions- und Vertriebs KG
Peter Jochum
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
(Meth)acrylic acid esters and the use thereof for preparing dental...
Patent number
4,795,823
Issue date
Jan 3, 1989
ESPE Stiftung & Co. Produktions
Werner Schmitt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymerization process for aziridine compounds
Patent number
4,167,618
Issue date
Sep 11, 1979
ESPE Fabrik Pharmazeutischer Praparate GmbH
Werner Schmitt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dental compositions comprising acrylic esters of tricyclo [5.2.1.0....
Patent number
4,131,729
Issue date
Dec 26, 1978
ESPE Fabrik Pharmazeutischer Praparate GmbH
Werner Schmitt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE