Granted Patent
Utility
US 5,451,626 · App. 08/084,837
Polyester compositions containing aryl ether compounds
Inventors:
Jiro Kumaki, Kiyomi Okita, Hidetoshi Ohtawa
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Jun 29, 1993
Inventors
Jiro Kumaki
Kiyomi Okita
Hidetoshi Ohtawa
Assignee (at issue)
Eastman 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.