IP Library Granted Patent US 5,239,079
Granted Patent Utility
US 5,239,079 · App. 07/928,742

Pyridinium salt and pharmacological composition containing the same

Inventors: Shigeru Souda, Shuhei Miyazawa, Norihiro Ueda, Katsuya Tagami, Seiichiro Nomoto, Makoto Okita, Naoyuki Shimomura, Toshihiko Kaneko, Masatoshi Fujimoto, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki, Hisashi Shibata, Tsuneo Wakabayashi
Patented Case View Patent ↗
Granted: Aug 24, 1993 Filed: Aug 13, 1992
Inventors
Shigeru Souda
Shuhei Miyazawa
Norihiro Ueda
Katsuya Tagami
Seiichiro Nomoto
Makoto Okita
Naoyuki Shimomura
Toshihiko Kaneko
Masatoshi Fujimoto
Manabu Murakami
Kiyoshi Oketani
Hideaki Fujisaki
Hisashi Shibata
Tsuneo Wakabayashi
Assignee (at issue)
Eisai Inc.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,239,079
App. No.
07/928,742
Filed
1992-08-13
Granted
1993-08-24
Kind
A