Granted Patent
Utility
US 4,906,722 · App. 07/273,774
Thermosetting reactive systems
Inventors:
Sameer H. Eldin, Alfred Renner
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Nov 21, 1988
Inventors
Sameer H. Eldin
Alfred Renner
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.