Berthold Schiemenz

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Frankfurt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing metallocenes
- Patent number 6,984,743
- Issue date Jan 10, 2006
- Basell Polyolefine GmbH
- Carsten Bingel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stereorigid metallocene compounds
- Patent number 6,410,661
- Issue date Jun 25, 2002
- Basell Polyolefine GmbH
- Walter Kaminsky
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing a methylene-bridged biscyclopentadienyl compound
- Patent number 6,255,508
- Issue date Jul 3, 2001
- Targor GmbH
- Frank Küber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing a methylene-bridged biscyclopentadienyl compound
- Patent number 5,945,553
- Issue date Aug 31, 1999
- Targor GmbH
- Frank Kuber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stereorigid metallocene compound
- Patent number 5,892,078
- Issue date Apr 6, 1999
- Targor GmbH
- Markus res
- C07 - ORGANIC CHEMISTRY