Granted Patent
Utility
US 4,798,892 · App. 06/851,629
2-hydroxypropylamine heteroaryl ester derivatives
Inventors:
Sheung T. Kam, William L. Matier, Ghanshyam Patil, Khuong H. X. Mai
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Apr 14, 1986
Inventors
Sheung T. Kam
William L. Matier
Ghanshyam Patil
Khuong H. X. Mai
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.