Granted Patent
Utility
US 4,816,512 · App. 06/944,158
Maleimide resin composition comprising polyamine, maleimide and maleamic acid
Inventor:
Ronald H. Dahms
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Dec 18, 1986
Inventor
Ronald H. Dahms
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.