Hendrik J. Takken

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Huizen, NL

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Patents Grantslast 30 patents

Information Patent Grant
2-Methoxyethyl cyclododecenyl ether and processes for its preparati...
- Patent number 4,506,102
- Issue date Mar 19, 1985
- Chemische Werke Huls AG
- Manfred Kaufhold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 4-methoxybenzonitrile perfume compositions
- Patent number 4,040,986
- Issue date Aug 9, 1977
- Naarden International N.V.
- Harmannus Boelens
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...