Process for preparing spray dried acetaminophen powder and the powder prepared thereby

摘要

The subject invention relates to a process for preparing acetaminophen powders by spray drying the acetaminophen in the presence of various excipients. Preferably a lubricant is incorporated into the acetaminophen powder during the spray drying process or after the spray drying process by passing the spray dried acetaminophen powder through a fluidized bed dryer which contains a lubricant.