Granted Patent
Utility
US 3,970,648 · App. 05/503,854
2-[2-(5-Nitro-2-furyl)vinyl]-4-(anilino)quinazolines
Inventors:
Herman Horn, Sheldon B. Greenbaum, Charles M. Ely, Walter Hacke, David A. Olle
Patented Case
View Patent ↗
Granted: Jul 20, 1976
Filed: Sep 6, 1974
Inventors
Herman Horn
Sheldon B. Greenbaum
Charles M. Ely
Walter Hacke
David A. Olle
Assignee (at issue)
Diamond Shamrock 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.