Couldn't load this record
The USPTO API returned an error (HTTP 429) — please try again shortly.
Granted Patent
Utility
US 6,723,245
· Confirmation No. 3874
METHOD OF USING WATER SOLUBLE CATIONIC POLYMERS IN MEMBRANE BIOLOGICAL REACTORS
Patented Case
View Patent ↗
No downloadable documents found — record may not be publicly available.
Inventors
John H. Collins
Bloomingdale, IL
Kristine S. Salmen
Glen Ellyn, IL
Attorneys & Agents of Record
Classification
USPC
210/639
C02F3/1273
Y02W10/10
Y02W10/40
B01D61/025
B01D61/027
B01D61/04
B01D61/145
B01D61/147
B01D61/16
B01D2311/04
B01D2315/06
C02F1/444
C02F1/56
B01D2311/2642
Prosecution
- Examiner
- DRODGE, JOSEPH W
- Art Unit
- 1723
- Customer No.
- 49459
- Docket No.
- 7668
- Confirmation No.
- 3874
Patent Term Adjustment
0days
Child
is a Continuation in-part of
→
App. 10/329,791
· US 6,926,832
Filed 2002-12-26
· Patented Case
Child
is a Continuation in-part of
→
App. 10/787,989
Filed 2004-02-26
· Abandoned -- Failure to Respond to an Office Action
Child
PCT
is a Continuation of
→
PCT/US2003/000301
Filed 2003-01-06
· PCT - IPER (International Preliminary Examination Report) 409-416 Mailed
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 2002-03-05
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 6,723,245
- App. No.
- 10/035,785
- Filed
- 2002-01-04
- Granted
- 2004-04-20
- Examiner
- DRODGE, JOSEPH W
- Art Unit
- 1723
- PTA
- 0 days
External Links