Granted Patent
Utility
US 4,927,558 · App. 07/223,787
Proteolytic detergent additive and compositions containing the same
Inventors:
Dorrit Aaslyng, Georg W. Jensen, Ib Schneider, Palle Schneider
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Aug 31, 1988
Inventors
Dorrit Aaslyng
Georg W. Jensen
Ib Schneider
Palle Schneider
Assignee (at issue)
Novo Industri A/S
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.