IP Library Granted Patent US 6,521,022
Granted Patent Utility
US 6,521,022 · App. 09/654,816

Apparatus and method for reducing residual solvent levels

Inventors: Stuart Corr, Paul A. Dowdle, Robert E. Low, Frederick Thomas Murphy, James David Morrison
Patented Case View Patent ↗
Granted: Feb 18, 2003 Filed: Sep 5, 2000
Inventors
Stuart Corr
Paul A. Dowdle
Robert E. Low
Frederick Thomas Murphy
James David Morrison
Assignee (at issue)
Ineos Fluor Holdings Limited

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 6,521,022
App. No.
09/654,816
Filed
2000-09-05
Granted
2003-02-18
Kind
B1