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Gunter Petzow
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Leinenfelden-Echterdingen, DE
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last 30 patents
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Patent Grant
Bismuth-containing superconducting material and process for produci...
Patent number
5,250,509
Issue date
Oct 5, 1993
Hoechst Aktiengesellschaft
Bernhard Hettich
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sinterable ceramic powder, process for its production, silicon nitr...
Patent number
5,162,272
Issue date
Nov 10, 1992
Hoechst Aktiengesellschaft
Marcellus Peuckert
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the hot isostatic compression of silicon nitride bodies...
Patent number
5,106,793
Issue date
Apr 21, 1992
Max-Planck-Gesellschaft zur Foederung der Wissenschaften e.V
Peter Greil
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
SI C powder, a process for its production and its use
Patent number
5,039,632
Issue date
Aug 13, 1991
Bayer AG
Ralf Riedel
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of sintering articles of silicon nitride
Patent number
4,908,171
Issue date
Mar 13, 1990
Max-Planck-Gesellschaft zur Foedering der Wissenschaften e.V.
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Molded metal carbide-boride refractory products
Patent number
4,904,623
Issue date
Feb 27, 1990
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
Gunter Petzow
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High-strength and temperature-stable formed bodies of zirconium dio...
Patent number
4,900,492
Issue date
Feb 13, 1990
Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process of making ceramic moldings containing cordierite
Patent number
4,855,259
Issue date
Aug 8, 1989
Firma Schott Glaswerke
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Fibre-strengthened ceramic formed bodies
Patent number
4,767,727
Issue date
Aug 30, 1988
Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its pr...
Patent number
RE32449
Issue date
Jun 30, 1987
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V
Nils Claussen
501 - Compositions: ceramic
Information
Patent Grant
Process for the preparation of carbide-boride products
Patent number
4,670,408
Issue date
Jun 2, 1987
Max-Planck-Gesellschaft Zur Foerderung der Wissenschaften E.V.
Gunter Petzow
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its pr...
Patent number
4,525,464
Issue date
Jun 25, 1985
Max Planck Gesellschaft zur Forderung der Wissenschaften
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic formed body with a high crack arrestability
Patent number
4,506,024
Issue date
Mar 19, 1985
Max-Planck-Institut zur Foerderung der Wissenschaften e.V.
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High-strength and temperature-change resistant ceramic formed body,...
Patent number
4,421,861
Issue date
Dec 20, 1983
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High-strength ceramic laminated tube and the production and use the...
Patent number
4,401,729
Issue date
Aug 30, 1983
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the preparation of dispersion ceramics
Patent number
4,322,249
Issue date
Mar 30, 1982
Max-Planck-Gesellschaft
Nils Claussen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES