Granted Patent
Utility
US 5,681,732 · App. 08/291,609
Cloning and expression of acetyl xylan esterases from fungal origin
Inventors:
Leendert Hendrik De Graaff, Jacob Visser, Henriette C. Van Den Broeck, Francois Strozyk, Felix Kormelink, Johannes C. P. Boonman
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Aug 17, 1994
Inventors
Leendert Hendrik De Graaff
Jacob Visser
Henriette C. Van Den Broeck
Francois Strozyk
Felix Kormelink
Johannes C. P. Boonman
Assignee (at issue)
Gist-Brocades B.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.