Granted Patent
Utility
US 5,750,758 · App. 08/681,205
Pyrocarbonic acid diesters and the preparation and use thereof
Inventors:
John S. Zambounis, Veronique Hall-Goulle
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Jul 22, 1996
Inventors
John S. Zambounis
Veronique Hall-Goulle
Assignee (at issue)
Ciba Specialty Chemicals 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.