Friedrich Hessel

Person

Mainz, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing densely sintered silicon nitride components
- Patent number 5,656,219
- Issue date Aug 12, 1997
- Hoechst Aktiengesellschaft
- Gunter Riedel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Inorganic powder composition containing polymeric auxiliaries and u...
- Patent number 5,643,996
- Issue date Jul 1, 1997
- Hoechst Aktiengesellschaft
- Jurgen Rudolph
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for reducing the microbe count in aqueous multi-phase compo...
- Patent number 5,529,749
- Issue date Jun 25, 1996
- Hoechst Aktiengesellschaft
- Helmut Rinno
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for converting water sensitive ceramic powders into a free...
- Patent number 5,498,382
- Issue date Mar 12, 1996
- Hoechst Aktiengesellschaft
- Katherina Seitz
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Casting composition for producing green ceramic sheets containing p...
- Patent number 5,473,008
- Issue date Dec 5, 1995
- Hoechst Aktiengesellschaft
- Friedrich Hessel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for converting water-sensitive ceramic powders into a free-...
- Patent number 5,401,697
- Issue date Mar 28, 1995
- Hoechst Aktiengesellschaft
- Hans-Michael Guether
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Friedrich Hessel

Person

Patents Grantslast 30 patents

Process for producing densely sintered silicon nitride components

Inorganic powder composition containing polymeric auxiliaries and u...

Process for reducing the microbe count in aqueous multi-phase compo...

Process for converting water sensitive ceramic powders into a free...

Casting composition for producing green ceramic sheets containing p...

Process for converting water-sensitive ceramic powders into a free-...