Granted Patent
Utility
US 6,576,704 · App. 09/734,216
Method for continuous treatment of saponified ethylene-vinyl acetate copolymer
Inventors:
Yoshiharu Nagao, Youichi Neki, Masahiko Taniguchi, Kenji Ninomiya
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Dec 12, 2000
Inventors
Yoshiharu Nagao
Youichi Neki
Masahiko Taniguchi
Kenji Ninomiya
Assignee (at issue)
Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
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.