Granted Patent
Utility
US 6,440,902 · App. 09/374,735
Combination of two or more active ingredients using microencapsulated formulations
Inventor:
Janos Szamosi
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Aug 13, 1999
Inventor
Janos Szamosi
Assignee (at issue)
FMC 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.