Karel Valter

Follow

Person

Geneva, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing pyrimidinetrione derivatives
- Patent number 5,262,402
- Issue date Nov 16, 1993
- Sapos S.A.
- Bernard Siegfried
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods and compounds
- Patent number 5,190,946
- Issue date Mar 2, 1993
- Hoffmann-La Roche Inc.
- Avner Ramu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for preparing pyrimidinetrione derivatives
- Patent number 4,611,057
- Issue date Sep 9, 1986
- Sapos S.A.
- Philippe Gold-Aubert
- C07 - ORGANIC CHEMISTRY