Duesseldorf
Germany
3
2005-11-03
Dieter Schweizer from Duesseldorf, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Cement-based systems using plastification/extrusion auxiliaries prepared from raw cotton linters
#2 | 2005-11-03Cement-based systems using water retention agents prepared from raw cotton linters
#3 | 2005-11-03Tile cement mortars using water retention agents
4936911 ⎘