Roger Chappaz

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Geneva, CH

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Patents Grantslast 30 patents

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