Granted Patent
Utility
US 4,968,814 · App. 07/510,806
(S)-Alkyl 3-(thien-2-ylthio)butyrate and analogs and synthesis thereof
Inventors:
Thomas J. Blacklock, Edward J. J. Grabowski, Paul Sohar
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Apr 18, 1990
Inventors
Thomas J. Blacklock
Edward J. J. Grabowski
Paul Sohar
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.