Frederic Kress

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Vienne, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for purification of a gas stream containing a...
- Patent number 5,770,021
- Issue date Jun 23, 1998
- Rhone-Poulenc Nutrition Animale
- Michel Hego
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the condensation of an aldehyde with hydrogen cyanide
- Patent number 5,756,803
- Issue date May 26, 1998
- Rhone-Poulenc Nutrition Animale
- Claude Casse
- C07 - ORGANIC CHEMISTRY