Granted Patent
Utility
US 6,440,327
· Confirmation No. 3852
POLYMERS AND USE THEREOF AS SCALE INHIBITORS
Patented Case
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2005-09-12 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2001-01-31 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-01-31 | SPEC |
Specification | 23 | View | |
| 2001-01-31 | CLM |
Claims | 5 | View | |
| 2001-01-31 | ABST |
Abstract | 1 | View | |
| 2001-01-31 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-01-31 | SPEC |
Specification | 23 | View | |
| 2001-01-31 | CLM |
Claims | 5 | View | |
| 2001-01-31 | ABST |
Abstract | 1 | View |
Inventors
Sergey M. Shevchenko
Lisle, IL
Prasad Y. Duggirala
Naperville, IL
Attorneys & Agents of Record
Classification
USPC
252/175
Prosecution
- Examiner
- ACQUAH, SAMUEL A
- Art Unit
- 1711
- Customer No.
- 49459
- Docket No.
- 5660
- Confirmation No.
- 3852
Patent Term Adjustment
0days
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 2001-05-17
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Quick Facts
- Patent No.
- US 6,440,327
- App. No.
- 09/774,413
- Filed
- 2001-01-31
- Granted
- 2002-08-27
- Examiner
- ACQUAH, SAMUEL A
- Art Unit
- 1711
- PTA
- 0 days
External Links