Granted Patent
Utility
US 6,432,271
· Confirmation No. 3677
METHOD OF INCREASING RETENTION AND DRAINAGE IN PAPERMAKING USING HIGH MOLECULAR WEIGHT WATER-SOLUBLE ANIONIC OR NONIONIC DISPERSION POLYMERS
Patented Case
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⬇ PDF
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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 | |
| 2001-10-15 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-10-15 | A.PE |
Preliminary Amendment | 5 | View | |
| 2001-10-15 | SPEC |
Specification | 30 | View | |
| 2001-10-15 | CLM |
Claims | 4 | View | |
| 2001-10-15 | ABST |
Abstract | 1 | View | |
| 2001-10-15 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
162/168.3
D21H21/10
D21H17/37
D21H17/375
D21H17/42
Prosecution
- Examiner
- HALPERN, MARK
- Art Unit
- 1731
- Customer No.
- 49459
- Docket No.
- 5645-CO1
- Confirmation No.
- 3677
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 2001-10-15
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Quick Facts
- Patent No.
- US 6,432,271
- App. No.
- 09/977,455
- Filed
- 2001-10-15
- Granted
- 2002-08-13
- Examiner
- HALPERN, MARK
- Art Unit
- 1731
- PTA
- 0 days
External Links