The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 05, 2021
Filed:
Jan. 16, 2017
Cubic Pharmaceuticals Ltd., Kent, GB;
Iks Pharma, Kent, GB;
Mohammed Maniruzzaman, Kent, GB;
Saumil Kiritkumar Bhatt, Kent, GB;
Anwar Ali, Kent, GB;
Arun Jangra, Kent, GB;
Cubic Pharmaceuticals Ltd., Kent, GB;
University of Greenwich, London, GB;
Abstract
The invention relates to a process of preparing a salt of an active pharmaceutical ingredient, the process comprising providing a blend of an active pharmaceutical ingredient and a salt forming substance, mixing the blend, optionally in the presence of added water, to react the active pharmaceutical ingredient with the salt forming substance to provide the salt of the active pharmaceutical ingredient; wherein when the active pharmaceutical ingredient is acidic, the salt forming substance is a base and the pKa difference between the acidic active pharmaceutical ingredient and the base is greater than 1, typically greater than 2 or preferably greater than 3; or when the active pharmaceutical ingredient is basic, the salt forming substance is an acid and the pKa difference between the basic active pharmaceutical ingredient and the acid is greater than 1, typically greater than 2 or preferably greater than 3.