Granted Patent
Utility
US 6,486,149 · App. 09/991,694
Composition comprising a crystallographically stable, amorphous cephalosporin and processes for the preparation thereof
Inventors:
Masahiro Onodera, Masamichi Sukegawa, Kiyoshi Yasui, Tatsuo Watanabe, Toyomi Sato, Yasushi Murai, Katsuharu Iinuma
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Nov 26, 2001
Inventors
Masahiro Onodera
Masamichi Sukegawa
Kiyoshi Yasui
Tatsuo Watanabe
Toyomi Sato
Yasushi Murai
Katsuharu Iinuma
Assignee (at issue)
MEIJI SEIKA KAISHA, 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.