Trottmann, Martin, Dr.

CH-4106 Therwil

Trademarks, designs and patents

Azofarbstoffe

European patent · EP0555179 · Inventor

Deleted
Phthalimidyl-Azofarbstoffe

European patent · EP0443984 · Inventor

Deleted
Dispersionsfarbstoffe

European patent · EP0378510 · Inventor

Deleted