Granted Patent
Utility
US 4,950,417 · App. 07/346,000
Detergent formulations containing alkaline lipase derived from Pseudomonas plantarii
Inventors:
Nancy L. Bycroft, Graham S. Byng
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: May 1, 1989
Inventors
Nancy L. Bycroft
Graham S. Byng
Assignee (at issue)
Miles 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.