Granted Patent
Utility
US 4,587,033 · App. 06/627,262
Polymeric acetal carboxylate compositions
Inventors:
David R. Dyroff, Yueting Chou
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Jul 2, 1984
Inventors
David R. Dyroff
Yueting Chou
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.