Hi Waveman, excellent 'capture' of the concept we want to convey. Could you just try to integrate the number 4 more as a Chemical Formular (subscript) and perhaps the 4 symbols below (instead of Int'l AG) because the Logo should also be used for Product Labels etc. and then we should highlight only ONE of the 4 Symbols.
Anyway, great effort which is clearly in my short-list ( so far )
Best regards, Werner