Granted Patent
Utility
US 4,864,007 · App. 07/068,462
High molecular weight linear polymers of diallylamines and process for making same
Inventor:
Eckart Schleusener
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jun 30, 1987
Inventor
Eckart Schleusener
Assignee (at issue)
Sandoz AG
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.