Granted Patent
Utility
US 5,118,623 · App. 07/199,511
Bleach stable enzymes
Inventors:
George Boguslawski, John Shultz
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: May 27, 1988
Inventors
George Boguslawski
John Shultz
Assignee (at issue)
Solvay Enzymes, 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.