Granted Patent
Utility
US 6,696,293 · App. 09/864,894
Process for producing carotenoids and biological materials useful therefor
Inventors:
Tatsuo Hoshino, Kazuyuki Ojima, Yutaka Setoguchi
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: May 24, 2001
Inventors
Tatsuo Hoshino
Kazuyuki Ojima
Yutaka Setoguchi
Assignee (at issue)
Roche Vitamins 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.