Granted Patent
Utility
US 5,145,643 · App. 07/461,181
Nonoxidative ophthalmic compositions and methods for preserving and using same
Inventors:
Anthony J. Dziabo, Michelle Wong, Peter Gyulai
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Jan 5, 1990
Inventors
Anthony J. Dziabo
Michelle Wong
Peter Gyulai
Assignee (at issue)
Allergan, 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.