Granted Patent
Utility
US 4,524,085 · App. 06/551,391
Lecithin containing cooking fats with reduced thermal discoloration
Inventors:
Edward R. Purves, Robert F. Thomas
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Nov 14, 1983
Inventors
Edward R. Purves
Robert F. Thomas
Assignee (at issue)
The Procter & Gamble 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.