Walter Hangartner

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Schofflisdorf, CH

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Patents Grantslast 30 patents

Information Patent Grant
Insecticidal propargyl ethers
- Patent number 4,137,329
- Issue date Jan 30, 1979
- Hoffmann-La Roche Inc.
- Walter Hangartner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methylene dioxyphenyl ethers
- Patent number 4,011,335
- Issue date Mar 8, 1977
- Hoffmann-La Roche Inc.
- Walter Hangartner
- C07 - ORGANIC CHEMISTRY