Granted Patent
Utility
US 6,673,740
· Confirmation No. 8407
METHOD FOR PREPARING A CATALYST FOR REDUCTION OF NITROGEN OXIDES
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-11-12 | IFEE |
Issue Fee Payment (PTO-85B) | 2 | View | |
| 2001-09-25 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-09-25 | SPEC |
Specification | 18 | View | |
| 2001-09-25 | CLM |
Claims | 3 | View | |
| 2001-09-25 | ABST |
Abstract | 1 | View | |
| 2001-09-25 | DRW |
Drawings-only black and white line drawings | 1 | View | |
| 2001-09-25 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Kyung-Il Choi
Taejon, KOREA, REPUBLIC OF
Sang-Ho Lee
Taejon, KOREA, REPUBLIC OF
Choul-Woo Shin
Taejon, KOREA, REPUBLIC OF
Jun-Seong Ahn
Taejon, KOREA, REPUBLIC OF
Jong-Hyun Kim
Taejon, KOREA, REPUBLIC OF
Bong-Jea Kim
Taejon, KOREA, REPUBLIC OF
Attorneys & Agents of Record
Classification
USPC
502/309
B01J35/19
B01D53/8628
B01J23/8885
B01J37/04
Prosecution
- Examiner
- JOHNSON, EDWARD M
- Art Unit
- 1754
- Docket No.
- 205,332
- Confirmation No.
- 8407
Foreign Priority
2000-56680
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2000-09-27
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REPUBLIC OF KOREA
Publication
- Pub. No.
- US20020061817A1
- Pub. Date
- 2002-05-23
Patent Term Adjustment
0days
No related applications found.
from
SK ENERGY CO., LTD.
CORRECTIVE ASSIGNMENT TO CORRECT THE INCORRECT PATENT NUMBER 7448700 AND REPLACE IT WITH 7488700 PREVIOUSLY RECORDED ON REEL 026619 FRAME 0330. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF NAME.
Recorded 2016-04-11
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-01-17
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Quick Facts
- Patent No.
- US 6,673,740
- App. No.
- 09/963,273
- Filed
- 2001-09-25
- Granted
- 2004-01-06
- Pub. No.
- US20020061817A1
- Examiner
- JOHNSON, EDWARD M
- Art Unit
- 1754
- PTA
- 0 days
External Links