IP Library Granted Patent US 5,674,852
Granted Patent Utility
US 5,674,852 · App. 08/318,870

Water-soluble retinoids

Inventors: Thomas Maier, Helmut Luther
Patented Case View Patent ↗
Granted: Oct 7, 1997 Filed: Oct 18, 1994
Inventors
Thomas Maier
Helmut Luther
Assignee (at issue)
Ciba-Geigy

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 5,674,852
App. No.
08/318,870
Filed
1994-10-18
Granted
1997-10-07
Kind
A