IP Library Granted Patent US 5,693,279
Granted Patent Utility
US 5,693,279 · App. 08/614,708

Starch acetate and blends thereof with metal chelates

Inventors: Bernice I. Feuer, John M. Bronk
Patented Case View Patent ↗
Granted: Dec 2, 1997 Filed: Mar 13, 1996
Inventors
Bernice I. Feuer
John M. Bronk
Assignee (at issue)
Hoechst Celanese 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.

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 5,693,279
App. No.
08/614,708
Filed
1996-03-13
Granted
1997-12-02
Kind
A