Granted Patent
Utility
US 5,071,594 · App. 07/591,214
Free flowing granular laundry detergent comprising tert-amine oxide dihydrate
Inventors:
James E. Borland, Kim R. Smith
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Oct 1, 1990
Inventors
James E. Borland
Kim R. Smith
Assignee (at issue)
Ethyl Corporation
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.