Granted Patent
Utility
US 6,495,604 · App. 09/622,392
Cycloalkene derivatives, process for producing the same, and use
Inventors:
Yuzo Ichimori, Masayuki Ii, Katsumi Itoh, Tomoyuki Kitazaki, Junji Yamada
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Aug 14, 2000
Inventors
Yuzo Ichimori
Masayuki Ii
Katsumi Itoh
Tomoyuki Kitazaki
Junji Yamada
Assignee (at issue)
Takeda Chemical Industries Ltd.
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.