Granted Patent
Utility
US 5,241,026 · App. 07/747,178
Polylactones of poly-.alpha.-hydroxyacrylic acid
Inventors:
Werner Amati, Jose Canela
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Aug 19, 1991
Inventors
Werner Amati
Jose Canela
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.