Granted Patent
Utility
US 4,835,188 · App. 07/130,718
Spray dried ibuprofen
Inventors:
Ying T. R. Ho, Robert G. Blank
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Dec 8, 1987
Inventors
Ying T. R. Ho
Robert G. Blank
Assignee (at issue)
Amerimas Home Products, Inc.
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.