Pieter Vrijhof

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BX Berghem, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method for the preparation of steroid derivative ketal
- Patent number 6,005,124
- Issue date Dec 21, 1999
- Akzo Nobel, N.V.
- Franciscus Theodorus Leonardus Brands
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of steroid derivative ketal
- Patent number 5,955,622
- Issue date Sep 21, 1999
- Akzo Nobel, N.V.
- Franciscus Theodorus Leonardus Brands
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of budesonide
- Patent number 5,556,964
- Issue date Sep 17, 1996
- Aktiebolaget Astra
- Robert G. Hofstraat
- C07 - ORGANIC CHEMISTRY