Granted Patent
Utility
US 4,284,737 · App. 06/091,439
Process for dewatering a grafted rubber latex
Inventors:
Robert L. Kruse, Wan C. Wu
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Nov 5, 1979
Inventors
Robert L. Kruse
Wan C. Wu
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.