Granted Patent
Utility
US 4,621,135 · App. 06/741,753
Novel THF compositions
Inventors:
Nathan Trainin, Yigal Burstein
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Jun 6, 1985
Inventors
Nathan Trainin
Yigal Burstein
Assignee (at issue)
Yeda Research and Development Co. Ltd.
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.