Methods of synthesis and/or purification of diaminophenothiazinium compounds

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United States of America Patent

PATENT NO 9382220
SERIAL NO

13890607

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Abstract

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Described are methods of synthesis and/or purification of certain 3,7-diamino-phenothiazin-5-ium compounds (referred to herein as “diaminophenothiazinium compounds”) including Methylthioninium Chloride (MTC) (also known as Methylene Blue), the resulting (high purity) compounds, compositions comprising such compounds (e.g., tablets, capsules), and the use of such high purity compounds. The compounds are useful in inactivating pathogens, and methods of medical treatment, prophylaxis, and diagnosis of diseases including a tauopathy, related neurological and infectious diseases.

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Patent Owner(s)

Patent OwnerAddress
WISTA LABORATORIES LTD25 BUKIT BATOK CRESCENT THE ELITIST #06-13 SINGAPORE 658066

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baddeley, Thomas Craven Old Aberdeen, GB 21 107
Marshall, Colin Old Aberdeen, GB 55 309
Sinclair, James Peter Old Aberdeen, GB 32 141
Storey, John Mervyn David Old Aberdeen, GB 46 176
Wischik, Claude Michel Aberdeen, GB 68 401

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