Granted Patent
Utility
US 4,205,149 · App. 05/535,775
Method of removing vinyl chloride monomer from polyvinyl chloride resins
Inventors:
Frank A. Cich, Emmett J. Glazer, Edwin Studley Smith
Patented Case
View Patent ↗
Granted: May 27, 1980
Filed: Dec 23, 1974
Inventors
Frank A. Cich
Emmett J. Glazer
Edwin Studley Smith
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER 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.