Karl-Heinz Schwarz

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Rheinberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Barium sulfate, process for its preparation, and its use
- Patent number 7,776,149
- Issue date Aug 17, 2010
- Sachtleben Chemie GmbH
- Djamschid Amirzadeh-Asl
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Barium sulfate, process for its preparation, and its use
- Publication number 20080268149
- Publication date Oct 30, 2008
- Djamschid Amirzadeh-Asl
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Barium sulfate, process for its preparation, and its use
- Publication number 20040167251
- Publication date Aug 26, 2004
- Djamschid Amirzadeh-Asl
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Barium sulphate method for producing the same and the use thereof
- Publication number 20030159622
- Publication date Aug 28, 2003
- Djamschid Amirzadeh-Asl
- C01 - INORGANIC CHEMISTRY