Ferenc Sagi

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Lyon, FR

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Patents Grantslast 30 patents

Information Patent Grant
Separation of toluene diisocyanate from the residues of the product...
- Patent number 4,918,220
- Issue date Apr 17, 1990
- Rhone-Poulenc Chimie
- Gerard Collas
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification/isolation of isocyanate condensates
- Patent number 4,871,828
- Issue date Oct 3, 1989
- Rhone-Poulenc Chimie
- Andre Blind
- C07 - ORGANIC CHEMISTRY