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Roland Schaefer
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Friedrichsdorf, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Polymerizable material
Patent number
5,750,590
Issue date
May 12, 1998
Heraeus Kulzer GmbH
Roland Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Adhesion-promoting dental composition
Patent number
5,089,051
Issue date
Feb 18, 1992
Heraeus Kulzer GmbH
Bernhard Eppinger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Composite dental prosthesis element formed of filled acrylate/metha...
Patent number
5,009,597
Issue date
Apr 23, 1991
Kulzer & Co. GmbH
Roland Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composite plastics-based material for prosthesis purposes
Patent number
4,714,721
Issue date
Dec 22, 1987
Ernst Leitz Wetzlar GmbH
Henning Franek
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for photopolymerization of vinyl compounds and photopolymeri...
Patent number
4,581,389
Issue date
Apr 8, 1986
Kulzer & Co. GmbH
Roland Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the photopolymerization of vinyl compounds and photopol...
Patent number
4,576,976
Issue date
Mar 18, 1986
Kulzer & Co., GmbH
Roland Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental composition containing pigment and methods of using the same
Patent number
4,563,153
Issue date
Jan 7, 1986
Kulzer & Co. GmbH
Roland Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the photopolymerization of vinyl compounds and photopol...
Patent number
4,534,839
Issue date
Aug 13, 1985
Kulzer & Co. GmbH
Roland Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the photopolymerization of vinyl compounds and photopol...
Patent number
4,522,694
Issue date
Jun 11, 1985
Kulzer & Co. GmbH
Roland Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental composition containing X-ray opaque material
Patent number
4,375,967
Issue date
Mar 8, 1983
Kulzer & Co. GmbH
Roland Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hydroxy group containing diesters of acrylic acids and their use in...
Patent number
4,115,346
Issue date
Sep 19, 1978
Kulzer & Co. GmbH
Albert Gross
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE