Granted Patent
Utility
US 6,639,102
· Confirmation No. 2681
PROCESS FOR PRODUCING POLYISOCYANATES OF THE DIPHENYL METHANE SERIES HAVING A REDUCED COLOR VALUE
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2006-11-21 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 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 | |
| 2003-08-27 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-03-10 | TRNA |
Transmittal of New Application | 2 | View | |
| 2003-03-10 | SPEC |
Specification | 12 | View | |
| 2003-03-10 | CLM |
Claims | 2 | View | |
| 2003-03-10 | ABST |
Abstract | 1 | View | |
| 2003-03-10 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Torsten Hagen
Dusseldorf, GERMANY
Friedhelm Kamper
Krefeld, GERMANY
Daniel Koch
Duisburg, GERMANY
Rudolf Uchdorf
Krefeld, GERMANY
Stefan Wershofen
Monchengladbach, GERMANY
Attorneys & Agents of Record
Classification
USPC
528/44
C08G18/32
C08G18/7664
C07C209/78
C07C263/10
C07C211/50
C07C265/14
Prosecution
- Examiner
- SERGENT, RABON A
- Art Unit
- 1711
- Customer No.
- 157
- Docket No.
- PO7536/LEA 35,980
- Confirmation No.
- 2681
Foreign Priority
10211021.2
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2002-03-13
·
GERMANY
Publication
- Pub. No.
- US20030176626A1
- Pub. Date
- 2003-09-18
Patent Term Adjustment
0days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-03-10
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Quick Facts
- Patent No.
- US 6,639,102
- App. No.
- 10/384,890
- Filed
- 2003-03-10
- Granted
- 2003-10-28
- Pub. No.
- US20030176626A1
- Examiner
- SERGENT, RABON A
- Art Unit
- 1711
- PTA
- 0 days
External Links