Granted Patent
Utility
US 4,320,173 · App. 06/151,237
Rubber compositions containing N-(carboxyalkyl)maleamic acid
Inventors:
Aubert Y. Coran, Raman Patel
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: May 19, 1980
Inventors
Aubert Y. Coran
Raman Patel
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.