Granted Patent
Utility
US 6,380,447 · App. 09/591,587
Diels-alder adducts of epoxybutene and epoxybutene derivatives
Inventors:
Mark E. Welker, Marion A. Franks
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Jun 9, 2000
Inventors
Mark E. Welker
Marion A. Franks
Assignee (at issue)
WAKE FOREST UNIVERSITY
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.