Granted Patent
Utility
US 4,315,092 · App. 06/974,667
Polyacetal carboxylates
Inventors:
Marvin M. Crutchfield, Victor D. Papanu, Craig B. Warren
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Nov 20, 1978
Inventors
Marvin M. Crutchfield
Victor D. Papanu
Craig B. Warren
Assignee (at issue)
Monsanto 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.