Granted Patent
Utility
US 6,136,989 · App. 09/223,694
Method for high yield and large scale extraction of paclitaxel from paclitaxel-containing material
Inventors:
Samuel Foo, Yili Bai, Martin Ehlert
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Dec 30, 1998
Inventors
Samuel Foo
Yili Bai
Martin Ehlert
Assignee (at issue)
Phytogen Life Sciences Inc.
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.