US Patent 9,050,264
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
Disclosed are cellulose capsules, methods for preparing a cellulose capsule, and compositions comprising cellulose capsules, including sustained- or controlled-release dosage forms comprising cellulose capsules.
Kumar, Vijay and Bhatt, Bhavik Cellulose capsules and methods for making them. US Patent 9,050,264 filed November 08, 2010 and issued June 09, 2015. https://ir.uiowa.edu/patents/636