Heinrich Willenberg

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Garbsen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the preparation of a soldering flux
- Patent number 5,968,288
- Issue date Oct 19, 1999
- Solvay Fluor und Derivate GmbH
- Heinrich Willenberg
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for producing 2,2,2-trifluoroethanol
- Patent number 4,694,112
- Issue date Sep 15, 1987
- Kali-Chemie Aktiengesellschaft
- Heinrich Willenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing potassium tetrafluoro aluminate
- Patent number 4,428,920
- Issue date Jan 31, 1984
- Kali-Chemie Aktiengesellschaft
- Heinrich Willenberg
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR