Granted Patent
Utility
US 6,451,349 · App. 09/342,356
Spray-drying process for the preparation of microparticles
Inventors:
Stuart Robinson, Susan Stewart Smith
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jun 29, 1999
Inventors
Stuart Robinson
Susan Stewart Smith
Assignee (at issue)
Quadrant Healthcare (UK) Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.