Stingelin, Willy

CH-4153 Reinach BL

Trademarks, designs and patents

Kationische Azofarbstoffe

European patent · EP0434623 · Inventor

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Verfahren zur Herstellung von 2,4,6-Tris-(amino-phenylamino)-triazinen

European patent · EP0196275 · Inventor

Deleted
Kationische Verbindungen

European patent · EP0145656 · Inventor

Deleted