Granted Patent
Utility
US 4,873,086 · App. 07/229,189
Hydrogels with increased organic solvent soluble active agent loading capacity, their preparation and the use thereof
Inventors:
William R. Good, John Mikes, Joseph Sikora
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Aug 8, 1988
Inventors
William R. Good
John Mikes
Joseph Sikora
Assignee (at issue)
Ciba-Geigy
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.