Granted Patent
Utility
US 4,611,082 · App. 06/669,720
Production of hex-3-enedioate esters from 1,4 dialkoxy butenes
Inventors:
Albert Sun-Chi Chan, Donald E. Morris
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Nov 9, 1984
Inventors
Albert Sun-Chi Chan
Donald E. Morris
Assignee (at issue)
Monsanto Company
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.