Walter Schenk

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Geneva, CH

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Patents Grantslast 30 patents

Information Patent Grant
Pyranic derivatives useful as intermediates in making muscone
- Patent number 4,480,107
- Issue date Oct 30, 1984
- Firmenich SA
- Karl H. Schulte-Elte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Esters of 1,3-dimethyl-but-3-en-1-yl, their utilization as perfumin...
- Patent number 4,387,047
- Issue date Jun 7, 1983
- Firmenich SA
- Erling Sundt
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the preparation of muscone
- Patent number 4,335,262
- Issue date Jun 15, 1982
- Firmenich SA
- Karl H. Schulte-Elte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclohexyl-pentanolides and their use in perfume
- Patent number 4,251,398
- Issue date Feb 17, 1981
- Firmenich SA
- Erling Sundt
- C07 - ORGANIC CHEMISTRY