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Ralf Riedel
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Leinenfelden-Echterdingen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Silicon carbonitride with spinel structure
Patent number
6,964,932
Issue date
Nov 15, 2005
Andreas Zerr
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Boron-containing carbosilanes, boron-containing oligo or polycarbos...
Patent number
6,242,626
Issue date
Jun 5, 2001
Bayer Aktiengesellschaft
Aloys Eiling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Carbodiimide polymers as precursors for C/N and B/C/N materials
Patent number
6,127,510
Issue date
Oct 3, 2000
Bayer Aktiengesellschaft
Ralf Riedel
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
SiCN gels as precursors of non-oxidic silicon ceramics
Patent number
5,863,462
Issue date
Jan 26, 1999
Bayer AG
Ralf Riedel
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Production of nonoxide monolithic ceramic shaped articles
Patent number
5,294,574
Issue date
Mar 15, 1994
Elf Atochem S.A.
Ralf Riedel
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
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
Patents Applications
last 30 patents
Information
Patent Application
Method for producing nitrides
Publication number
20050220694
Publication date
Oct 6, 2005
Holger Winkler
C30 - CRYSTAL GROWTH
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Patent Application
Silicon carbonitride with spinel structure
Publication number
20050031521
Publication date
Feb 10, 2005
Andreas Zerr
C01 - INORGANIC CHEMISTRY