Gerd Wingefeld

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Munstereifel-Eschweiler, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the peparation of cogranulates comprising aluminosilica...
- Patent number 5,814,289
- Issue date Sep 29, 1998
- Hoechst Aktiengesellschaft
- Alexander Tapper
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Injection moldable ceramic and metallic compositions and method of...
- Patent number 5,541,249
- Issue date Jul 30, 1996
- Hoechst Celanese Corp.
- O. Richard Hughes
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for the preparation of sodium silicates
- Patent number 5,268,156
- Issue date Dec 7, 1993
- Hoechst Aktiengesellschaft
- Gunther Schimmel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing polyacetal binder from molded ceramic greenbod...
- Patent number 5,043,121
- Issue date Aug 27, 1991
- Hoechst Celanese Corp.
- Gerd Wingefeld
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES