Patent ID: 11878021
Assignee: WISTA LABORATORIES LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C  Y | IPC A  C

Claim 3:
4. The compound of claim 2, wherein the high-purity diaminophenothiazinium compound has:
less than 50 μg/g Aluminium (Al);
less than 0.5 μg/g Cadmium (Cd);
less than 50 μg/g Chromium (Cr);
less than 150 μg/g Copper (Cu);
less than 5 μg/g Tin (Sn);
less than 100 μg/g Iron (Fe);
less than 5 μg/g Manganese (Mn);
less than 0.5 μg/g Mercury (Hg);
less than 5 μg/g Molybdenum (Mo);
less than 5 μg/g Nickel (Ni);
less than 5 μg/g Lead (Pb); and
less than 50 μg/g Zinc (Zn).