Granted Patent
Utility
US 6,583,147 · App. 09/831,433
Pyrazolopyrimidinone derivatives for the treatment of impotence
Inventors:
Moohi Yoo, Wonbae Kim, Min Sun CHANG, Joong In Lim, Dong Sung KIM, Ik Yon Kim, Tae Kyun Lim, Byoung-Ok Ahn, Kyung-Koo Kang, Miwon Son, Hyounmie DOH, Soonhoe Kim, Hyunjoo Shim, Taeyoung Oh, Heungjae KIM, Dong-Goo Kim
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 9, 2001
Inventors
Moohi Yoo
Wonbae Kim
Min Sun CHANG
Joong In Lim
Dong Sung KIM
Ik Yon Kim
Tae Kyun Lim
Byoung-Ok Ahn
Kyung-Koo Kang
Miwon Son
Hyounmie DOH
Soonhoe Kim
Hyunjoo Shim
Taeyoung Oh
Heungjae KIM
Dong-Goo Kim
Assignee (at issue)
Dong-A Pharm. Co., 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.