Granted Patent
Utility
US 5,340,403 · App. 07/670,386
Process for the production of xylose
Inventors:
Peter R. Fields, Robin WILSON
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Mar 15, 1991
Inventors
Peter R. Fields
Robin WILSON
Assignee (at issue)
Zeneca Limited
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.