Granted Patent
Utility
US 5,120,805 · App. 07/710,632
Reactor with surface agitator for solution polymerization process
Inventors:
Gary L. Woodson, Brian W. Walther, Brian G. Witt, Gary R. Marchand
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: Jun 5, 1991
Inventors
Gary L. Woodson
Brian W. Walther
Brian G. Witt
Gary R. Marchand
Assignee (at issue)
THE DOW CHEMICAL 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.