Granted Patent
Utility
US 6,548,448 · App. 10/083,172
Delivery systems for cyclopropenes
Inventor:
Edward Charles Kostansek
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Feb 26, 2002
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.