Granted Patent
Utility
US 5,051,419 · App. 07/371,974
Prevention or elimination of mycoplasma contamination of animal or plant cell cultures
Inventors:
Shinichi Nakamura, Yuzo Sakaguchi, Shigeki Kashimoto, Shin-ichi Matsumoto
Patented Case
View Patent ↗
Granted: Sep 24, 1991
Filed: Jun 27, 1989
Inventors
Shinichi Nakamura
Yuzo Sakaguchi
Shigeki Kashimoto
Shin-ichi Matsumoto
Assignee (at issue)
Dainippon Pharmaceutical 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.