Granted Patent
Utility
US 5,977,147 · App. 08/639,302
1-alkyl-, 1-alkenyl-, and 1-alkynylaryl-2-amino- 1,3-propanediols and related compounds
Inventors:
John J. Tegeler, Barbara S. Rauckman, Russell R. L. Hamer, Brian S. Freed, Gregory H. Merriman
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Apr 24, 1996
Inventors
John J. Tegeler
Barbara S. Rauckman
Russell R. L. Hamer
Brian S. Freed
Gregory H. Merriman
Assignee (at issue)
Hoechst Marion Roussel
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.