Granted Patent
Utility
US 5,635,505 · App. 08/666,326
1,4-benzoxazine-2-acetic acid compound, method for production thereof and use thereof
Inventors:
Takahiro Kumonaka, Takema Hase, Tomoji Aotsuka, Toshio Kurihara, Yoshiyuki Nakamura, Tetsuo Matsui, Hiromichi Ishikawa, Fujio Kobayashi
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Jul 3, 1996
Inventors
Takahiro Kumonaka
Takema Hase
Tomoji Aotsuka
Toshio Kurihara
Yoshiyuki Nakamura
Tetsuo Matsui
Hiromichi Ishikawa
Fujio Kobayashi
Assignees (at issue)
SENJU PHARMACEUTICAL CO., LTD.
Green Cross 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.