Granted Patent
Utility
US 6,719,957
· Confirmation No. 9118
PROCESS FOR PURIFICATION OF ANHYDROUS HYDROGEN CHLORIDE GAS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2006-06-07 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2004-03-01 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-04-17 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-04-17 | SPEC |
Specification | 10 | View | |
| 2002-04-17 | CLM |
Claims | 3 | View | |
| 2002-04-17 | ABST |
Abstract | 1 | View | |
| 2002-04-17 | DRW |
Drawings-only black and white line drawings | 1 | View | |
| 2002-04-17 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
Bill L. Brady JR.
Duesseldorf, GERMANY
Guenther Weymans
Kuerten-Bechen, GERMANY
Berthold Keggenhoff
Krefeld, GERMANY
Friedhelm Steffens
Leverkusen, GERMANY
Attorneys & Agents of Record
Classification
USPC
423/488
B01D53/002
C01B7/0706
Prosecution
- Examiner
- NGUYEN, NGOC YEN M
- Art Unit
- 1754
- Customer No.
- 157
- Docket No.
- MO7024/MD-99-59-PU
- Confirmation No.
- 9118
Publication
- Pub. No.
- US20030196764A1
- Pub. Date
- 2003-10-23
Patent Term Adjustment
0days
from
BAYER CORPORATION
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2015-03-02
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-12-16
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-07-22
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Quick Facts
- Patent No.
- US 6,719,957
- App. No.
- 10/124,795
- Filed
- 2002-04-17
- Granted
- 2004-04-13
- Pub. No.
- US20030196764A1
- Examiner
- NGUYEN, NGOC YEN M
- Art Unit
- 1754
- PTA
- 0 days
External Links