Abstract
The present invention relates to the economical and separation of benzphetamine hydrochloride and methamphetamine by liquid extraction. An extraction process employing a suitable organic solvent and water at a pH in the range of from about 6 to about 8 provides excellent removal of the methamphetamine by dissolution in the water phase while the benzphetamine dissolves in the organic phase. Simple separation of the two phases results in separation of the two amines.
Recommended Citation
K. Tomazi, "Process for the Purification of Benzphetamine Hydrochloride,", Jan 2014.
Department(s)
Chemical and Biochemical Engineering
Patent Application Number
11/718,989
Patent Number
US008629301B2
Document Type
Patent
Document Version
Final Version
File Type
text
Language(s)
English
Publication Date
January 14, 2014
