Granted Patent
Utility
US 5,334,756 · App. 07/675,220
Carboxylate of certain polyoxyalkylene amines
Inventors:
Parfait J. M. Likibi, Robert V. Casciani, Gregory L. McCraw
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Mar 26, 1991
Inventors
Parfait J. M. Likibi
Robert V. Casciani
Gregory L. McCraw
Assignee (at issue)
Sandoz AG
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.