IP Library › Granted Patent US 6,821,308
Granted Patent Utility
US 6,821,308 · App. 08/832,167

Polyoxyalkylene monoethers with reduced water affinity

Inventors: George Combs, Kenneth G. McDaniel
Patented Case View Patent ↗
Granted: Nov 23, 2004 Filed: Apr 2, 1997
Inventors
George Combs
Kenneth G. McDaniel
Assignee (at issue)
Bayer Antwerpen

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 6,821,308
App. No.
08/832,167
Filed
1997-04-02
Granted
2004-11-23
Kind
B2