Granted Patent
Utility
US 4,892,820 · App. 07/060,286
Solvent system for enzymatic coupling process
Inventors:
John B. Hill, Steven O. Roczniak
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Jun 10, 1987
Inventors
John B. Hill
Steven O. Roczniak
Assignee (at issue)
The NutraSweet Company
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.