Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
André Hunziker
David Schaffner
Thomas Zwick
Renè Lang
Date of Patent
October 3, 2023
Patent Application Number
17045619
Date Filed
April 26, 2019
Patent Citations
Patent Primary Examiner
Patent abstract
The present invention relates to a method of manufacturing spray-dried powders. During the process, a solvent is used. The process is done in multiple steps such that the emulsification mass ratio is low when removal of the solvent is started. Preferred solvents are isopropyl acetate and ethyl acetate. The invention also relates to a set-up to run the inventive process at industrial scale.
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