Granted Patent
Utility
US 6,703,474 · App. 10/252,509
Polyester resin, molded product made thereof and process for production of polyester resin
Inventors:
Yoshihiro Fujimori, Kiyotoshi Fujioka, Masahiro Nukui, Yutaka Yatsugi, Kazuya Nakamichi, Noboru Satou
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Sep 24, 2002
Inventors
Yoshihiro Fujimori
Kiyotoshi Fujioka
Masahiro Nukui
Yutaka Yatsugi
Kazuya Nakamichi
Noboru Satou
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.