US 12,233,163 B2
Crystalline microspheres and the process of manufacturing the same
Cecil W. Propst, Norton Shores, MI (US); Marc W. Meadows, Grand Haven, MI (US); and Michael S. Todd, Grand Haven, MI (US)
Assigned to SPI Pharma, Inc., Wilmington, DE (US)
Filed by SPI Pharma, Inc., Wilmington, DE (US)
Filed on Feb. 8, 2022, as Appl. No. 17/666,608.
Application 17/666,608 is a continuation of application No. 16/371,262, filed on Apr. 1, 2019, granted, now 11,278,496.
Application 16/371,262 is a continuation of application No. 14/809,362, filed on Jul. 27, 2015, granted, now 10,245,232, issued on Apr. 2, 2019.
Application 14/809,362 is a continuation of application No. 13/870,556, filed on Apr. 25, 2013, granted, now 9,089,487, issued on Jul. 28, 2015.
Claims priority of provisional application 61/783,603, filed on Mar. 14, 2013.
Claims priority of provisional application 61/638,073, filed on Apr. 25, 2012.
Prior Publication US 2022/0151932 A1, May 19, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 9/16