Granted Patent
Utility
US 5,264,574 · App. 07/862,647
Preparation of oxazaborolidine borane complex
Inventors:
James D. Carroll, David J. Mathre, Edward G. Corley, Andrew S. Thompson
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Apr 3, 1992
Inventors
James D. Carroll
David J. Mathre
Edward G. Corley
Andrew S. Thompson
Assignee (at issue)
MERCK & CO., INC.
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.