Granted Patent
Utility
US 4,237,231 · App. 06/093,570
Method of purifying glucose isomerase and a composition for storing same
Inventors:
Denise M. Jackson, Yoshihisa Tsuda
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Nov 13, 1979
Inventors
Denise M. Jackson
Yoshihisa Tsuda
Assignee (at issue)
UOP LLC
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.