Granted Patent
Utility
US 5,352,823 · App. 07/963,872
Process for improving flow characteristics of crystalline ibuprofen
Inventors:
Lloyd E. Goddard, George A. Knesel
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Oct 20, 1992
Inventors
Lloyd E. Goddard
George A. Knesel
Assignee (at issue)
ALBEMARLE CORPORATION
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.