IP Library › Granted Patent US 5,496,834
Granted Patent Utility
US 5,496,834 · App. 08/300,738

Lactol derivatives, their production and use

Inventors: Takashi Sohda, Yukio Fujisawa, Satoru Oi, Junji Mizoguchi
Patented Case View Patent ↗
Granted: Mar 5, 1996 Filed: Sep 2, 1994
Inventors
Takashi Sohda
Yukio Fujisawa
Satoru Oi
Junji Mizoguchi
Assignee (at issue)
Takeda Chemical Industries 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.

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 5,496,834
App. No.
08/300,738
Filed
1994-09-02
Granted
1996-03-05
Kind
A