Granted Patent
Utility
US 5,457,147 · App. 08/383,046
Controlled functional density poly (secondary amines) and method for preparation thereof
Inventors:
Martin P. McGrath, Samuel J. Tremont
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Feb 3, 1995
Inventors
Martin P. McGrath
Samuel J. Tremont
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.