Patent ID: 9161917
Filing Date: 2015-10-20
Classification: A61K,A61P

Abstract:
1. Process for preparing a powder comprising the steps of: i) providing from 0.1 wt-% to 8 wt-% of at least one first component selected from the group consisting of tocopherol and tocopherol derivatives, said at least one first component: ii) providing from 92 wt-% to 99.9 wt-% of at least one second component having a melting point or melting range above ambient temperature and comprising polyalkylene glycol, iii) forming a homogenous liquid mixture comprising said at least one first component and said at least one second component by stirring and heating the mixture to or keeping the mixture at a temperature in the range from above the melting point or melting range of said second component to 120° C., iv) transferring the liquid mixture to at least one spray congealing unit by at least one transfer unit, which is adapted to keep the mixture in its liquid form during its transfer, v) spray congealing said mixture, and vi) isolating the powder obtained upon spray congealing.