Granted Patent
Utility
US 6,548,558
· Confirmation No. 1029
CONTAMINANT DISPERSANTS USEFUL IN RECYCLING OF TREATED CONTAINERS
Inventors
Steven J. Severtson
Shoreview, MN
Martin J. Coffey
Wheaton, IL
Attorneys & Agents of Record
Classification
USPC
516/39
Prosecution
- Examiner
- LOVERING, RICHARD D
- Art Unit
- 1712
- Docket No.
- 5454 CO1
- Confirmation No.
- 1029
Publication
- Pub. No.
- US20010041749A1
- Pub. Date
- 2001-11-15
Patent Term Adjustment
-4days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2017-02-28
SECURITY AGREEMENT
Recorded 2009-05-18
from
NALCO COMPANY
GRANT OF SECURITY INTEREST
Recorded 2003-12-08
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-01-07
Monitor This Case
Get email alerts when status or documents change.
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 application's details
Quick Facts
- Patent No.
- US 6,548,558
- App. No.
- 09/812,255
- Filed
- 2001-05-17
- Effective Filing
- 2001-03-19
- Granted
- 2003-04-15
- Pub. No.
- US20010041749A1
- Examiner
- LOVERING, RICHARD D
- Art Unit
- 1712
- PTA
- -4 days
External Links