Granted Patent
Utility
US 4,918,063 · App. 07/015,394
Methods and compositions employing unique mixtures of polar and neutral lipids for protecting the gastrointestinal tract
Inventor:
Lenard M. Lichtenberger
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Feb 17, 1987
Inventor
Lenard M. Lichtenberger
Assignee (at issue)
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
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.