Granted Patent
Utility
US 6,387,385 · App. 09/437,938
Process to prepare microencapsulated formulations
Inventor:
Wenhua Wang
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Nov 10, 1999
Inventor
Wenhua Wang
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.