Granted Patent
Utility
US 5,750,531 · App. 08/776,220
Pyrimidine derivatives and processes for the preparation thereof
Inventors:
Jong-Wook Lee, Jeong-Seok Chae, Chang Seop Kim, Jae Kyu Kim, Dae-Sung Lim, Moon Kyu Shon, Yeon Shik Choi, Sang Ho Lee
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Jan 23, 1997
Inventors
Jong-Wook Lee
Jeong-Seok Chae
Chang Seop Kim
Jae Kyu Kim
Dae-Sung Lim
Moon Kyu Shon
Yeon Shik Choi
Sang Ho Lee
Assignee (at issue)
Yuhan 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.