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Johannes Theodorus de Heij
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Hilversum, NL
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last 30 patents
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Patent Grant
Process for the preparation of a flavoring component
Patent number
6,048,560
Issue date
Apr 11, 2000
Quest International B.V.
Johannes Marinus van Dort
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Ethers for aromatizing purposes
Patent number
5,432,154
Issue date
Jul 11, 1995
Unilever Patent Holdings B.V.
Johannes T. De Heij
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ethers for aromatizing purposes
Patent number
5,313,002
Issue date
May 17, 1994
Unilever Patent Holdings B.V.
Johannes T. De Heij
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diterpenoid alcohols for flavouring purposes
Patent number
5,296,461
Issue date
Mar 22, 1994
Unilever Patent Holdings B.V.
Johannes T. De Heij
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processing for preparing flavorings and perfumes based on one or mo...
Patent number
5,084,292
Issue date
Jan 28, 1992
Unilever Patent Holdings B.V.
Johannes M. Van Dort
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES