Gass, Karl
CH-4312 Magden
Trademarks, designs and patents
Neue Sulfonylharnstoffe
European patent · EP0103543 · Inventor
N-Heterocyclosulfonyl-N'-pyrimidinyl- und -triazinylharnstoffe
European patent · EP0097122 · Inventor
N-Phenylsulfonyl-N'-pyrimidinyl- und -triazinylharnstoffe
European patent · EP0085028 · Inventor
N-Arylsulfonyl-N'-pyrimidinylharnstoffe
European patent · EP0084020 · Inventor