Granted Patent
Utility
US 5,449,747 · App. 08/145,241
Method for producing a vinyl chloride resin
Inventors:
Sadaki Kuroda, Hideo Aritake, Tokio Niikuni
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Nov 3, 1993
Inventors
Sadaki Kuroda
Hideo Aritake
Tokio Niikuni
Assignee (at issue)
MITSUBISHI CHEMICAL CORPORATION
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.