Wolfgang Berhrenz

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Overath, DE

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Patents Grantslast 30 patents

Information Patent Grant
Acylated aminoalcohols for repelling insects and mites
- Patent number 4,873,252
- Issue date Oct 10, 1989
- Bayer Aktiengesellschaft
- Bernd-Wieland Kruger
- C07 - ORGANIC CHEMISTRY