Patent 10441604 was granted and assigned to Albireo AB on October, 2019 by the United States Patent and Trademark Office.
The invention relates to small cholestyramine pellets that can be prepared by extrusion. The pellets have a high cholestyramine loading and are stable enough to be coated with one or more coating layers. The invention also relates to a process for the preparation of such pellets and to a multiparticulate drug delivery system comprising such pellets.