Granted Patent
Utility
US 5,770,413 · App. 08/693,709
Expression of phytase in plants
Inventors:
Albert Johannes Joseph Van Ooijen, Krijn Rietveld, Andreas Hoekema, Jan Pen, Peter Christian Sijmons, Teunis Cornelis Verwoerd
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Aug 7, 1996
Inventors
Albert Johannes Joseph Van Ooijen
Krijn Rietveld
Andreas Hoekema
Jan Pen
Peter Christian Sijmons
Teunis Cornelis Verwoerd
Assignees (at issue)
Gist-Brocades B.V.
Mogen International NV
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.