Gerhard Leimer

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Rodental, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of dense silicon nitride materials
- Patent number 5,746,969
- Issue date May 5, 1998
- Bayer AG
- Lothar Schonfelder
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Sintered material based on Si.sub.3 N.sub.4 and processes for its p...
- Patent number 5,362,691
- Issue date Nov 8, 1994
- Bayer Aktiengesellschaft
- Gerhard Wotting
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for production of a Si.sub.3 N.sub.4, based material
- Patent number 5,308,561
- Issue date May 3, 1994
- Bayer AG
- Gerhard Leimer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for the production of a polycrystalline shaped body of silic...
- Patent number 4,495,122
- Issue date Jan 22, 1985
- Feldmuhle Aktiengesellschaft
- Gerhard Leimer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Polycrystalline shaped body of silicon carbide and method for its p...
- Patent number 4,486,543
- Issue date Dec 4, 1984
- Feldmuhle Aktiengesellschaft
- Gerhard Leimer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES