Granted Patent
Utility
US 3,962,271 · App. 05/519,884
Monocyclic polyoxymethyleneoxazolidines and biocidal compositions containing same
Inventors:
Henri Sidi, Hilding R. Johnson
Patented Case
View Patent ↗
Granted: Jun 8, 1976
Filed: Oct 31, 1974
Inventors
Henri Sidi
Hilding R. Johnson
Assignee (at issue)
Tenneco Chemicals, Inc.
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.