Granted Patent
Utility
US 5,536,716 · App. 08/147,226
Spiro piperidines and homologs which promote release of growth hormone
Inventors:
Meng-Hsin Chen, David B. R. Johnston, Ravi Nargund, Arthur A. Patchett, James R. Tata, Lihu Yang
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Nov 3, 1993
Inventors
Meng-Hsin Chen
David B. R. Johnston
Ravi Nargund
Arthur A. Patchett
James R. Tata
Lihu Yang
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.