Granted Patent
Utility
US 6,444,619 · App. 09/950,967
Delivery system for cyclopropenes
Inventor:
Edward Charles Kostansek
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Sep 12, 2001
Inventor
Edward Charles Kostansek
Assignee (at issue)
Rohm and Haas Company
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.