Ingeburg Lydia Katharina Stachel heiress

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Frankfurt am Main-Fechenheim, DT

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Patents Grantslast 30 patents

Information Patent Grant
Piperazino substituted coumarin derivatives
- Patent number 3,959,281
- Issue date May 25, 1976
- Cassella Farbwerke Mainkur Aktiengesellschaft
- Rudi Beyerle
- C07 - ORGANIC CHEMISTRY