04.03.08
Patent No. US 7,332,150 B2:
An abrasive component for a cleaning agent in a product intended for use on delicate surfaces, especially teeth, has been assigned to KerrHawe S.A., Bioggio, Switzerland.
An abrasive component for a cleaning agent in a product intended for use on delicate surfaces, especially teeth, has been assigned to KerrHawe S.A., Bioggio, Switzerland.