Leon H. B. Frijns

Follow

Person

Valkenburg, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Method for the preparation of a phenol
- Patent number 5,210,331
- Issue date May 11, 1993
- DSM N.V.
- Wim Buijs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of a pure alkali metal benzoate and benz...
- Patent number 4,296,245
- Issue date Oct 20, 1981
- Stamicarbon, B.V.
- Cornelis Jongsma
- C07 - ORGANIC CHEMISTRY