IP Library › Granted Patent US 5,283,273
Granted Patent Utility
US 5,283,273 · App. 08/018,345

Stabilized chlorine-containing polymers

Inventors: Hans Sander, Olaf Hartmann, Hermann O. Wirth
Patented Case View Patent ↗
Granted: Feb 1, 1994 Filed: Feb 16, 1993
Inventors
Hans Sander
Olaf Hartmann
Hermann O. Wirth
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 5,283,273
App. No.
08/018,345
Filed
1993-02-16
Granted
1994-02-01
Kind
A