Granted Patent
Utility
US 5,574,086 · App. 08/278,498
Granular vinyl chloride resin composition and process for its production
Inventor:
Yukio Noro
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Jul 21, 1994
Inventor
Yukio Noro
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.