Granted Patent
Utility
US 5,441,722 · App. 08/198,248
Short synthesis of 5,6-dihydro-(S)-4-(ethylamino)-(S)-6-[C.sup.3 H.sub.3 ]-4[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide and related non radioactive compounds
Inventors:
Wai-Si Eng, Donald H. Burns, Gerald S. Ponticello, Harold G. Selnick
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Feb 18, 1994
Inventors
Wai-Si Eng
Donald H. Burns
Gerald S. Ponticello
Harold G. Selnick
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.