Granted Patent
Utility
US 4,396,782 · App. 06/337,898
Process for producing unsaturated ethers
Inventors:
Sameer H. Eldin, Milos Rusek
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Jan 7, 1982
Inventors
Sameer H. Eldin
Milos Rusek
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.