Douwe Rienk DE Haan

Follow

Person

Soest, NL

People

Patents Grantslast 30 patents

Information Patent Grant
1-Crotonyl-2,2,6-trimethylcyclohexane
- Patent number 4,136,066
- Issue date Jan 23, 1979
- P.F.W. Beheer B.V.
- Douwe R. De Haan
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Flavoring with trans, E-1-crotonoyl-2,2,6-trimethylcyclohexane
- Patent number 4,109,022
- Issue date Aug 22, 1978
- P.F.W. Beheer B.V.
- Douwe Rienk de Haan
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
1-Crotonyl-2,2,6-trimethylcyclohexanes
- Patent number 3,956,392
- Issue date May 11, 1976
- P.F.W. Beheer B.V.
- Douwe Rienk DE Haan
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES