Granted Patent
Utility
US 6,528,501 · App. 09/857,731
22s-hydroxycholesta-8, 14-diene derivatives with meiosis regulating activity
Inventors:
Dirk Leysen, Jaap J. van der Louw, Robert Gerard Jules Marie Hanssen, A. Anja Wiersma
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Jul 16, 2001
Inventors
Dirk Leysen
Jaap J. van der Louw
Robert Gerard Jules Marie Hanssen
A. Anja Wiersma
Assignee (at issue)
AKZO NOBEL N.V.
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.