Granted Patent
Utility
US 5,476,789 · App. 08/131,260
Composition containing strains of Ophiostoma piliferum and a method of using the composition to reduce the pitch content of pulpwood or pulp
Inventors:
Roberta L. Farrell, Yitzhak Hadar, Philip A. Wendler, Wendy Zimmerman
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Oct 1, 1993
Inventors
Roberta L. Farrell
Yitzhak Hadar
Philip A. Wendler
Wendy Zimmerman
Assignee (at issue)
Sandoz AG
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.