Granted Patent
Utility
US 4,335,148 · App. 06/176,708
Methods of preventing grain sprouting after harvest through the application of sulfur dioxide, nitrogen and ammonia gases
Inventors:
Frédérick Vidal, Anantharman Jayaraman
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Aug 11, 1980
Inventors
Frédérick Vidal
Anantharman Jayaraman
Assignee (at issue)
Pennwalt Corporation
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.