Granted Patent
Utility
PCT National Stage
US 6,413,367
· Confirmation No. 5085
TREATMENT OF CELLULOSIC MATERIAL WITH A CHELATING AGENT PRIOR TO ALKALINE DELIGNIFICATION
Patented Case
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-08-03 | LET. |
Miscellaneous Incoming Letter | 25 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
162/68
D21C3/02
D21C1/04
D21C3/222
Prosecution
- Examiner
- NGUYEN, TAN D
- Art Unit
- 1731
- Customer No.
- 21839
- Docket No.
- 032221-014
- Confirmation No.
- 5085
Foreign Priority
982411
·
1998-11-06
·
FINLAND
Patent Term Adjustment
0days
RELEASE OF SECURITY INTEREST
Recorded 2019-06-13
INTELLECTUAL PROPERTY SECURITY INTEREST
Recorded 2014-12-19
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-08-03
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Quick Facts
- Patent No.
- US 6,413,367
- App. No.
- 09/830,925
- Filed
- 2001-08-03
- Granted
- 2002-07-02
- Examiner
- NGUYEN, TAN D
- Art Unit
- 1731
- PTA
- 0 days
External Links