Granted Patent
Utility
US 4,576,757 · App. 06/604,267
Process for the preparation of monoacyl polyalkylene polyamines
Inventors:
Jacob J. Guth, Elvin R. Lukenbach, Richard Robert Tenore
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Apr 26, 1984
Inventors
Jacob J. Guth
Elvin R. Lukenbach
Richard Robert Tenore
Assignee (at issue)
Johnson & Johnson Baby Products 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.