Granted Patent
Utility
US 6,632,972
· Confirmation No. 1092
PROCESS FOR THE SELECTIVE PREPARATION OF DIB FROM AN I-BUTENE-CONTAINING C4 STREAM
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-08-06 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-08-06 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2001-08-16 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-08-16 | A.PE |
Preliminary Amendment | 3 | View | |
| 2001-08-16 | SPEC |
Specification | 14 | View | |
| 2001-08-16 | CLM |
Claims | 3 | View | |
| 2001-08-16 | ABST |
Abstract | 1 | View | |
| 2001-08-16 | DRW |
Drawings-only black and white line drawings | 1 | View | |
| 2001-08-16 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Alexander Gammersbach
Neuss, GERMANY
Axel Gohrt
Koln, GERMANY
Joachim Grub
Dormagen, GERMANY
Stefan Kaminsky
Dormagen, GERMANY
Hans-Joachim Kramer
Dormagen, GERMANY
Attorneys & Agents of Record
Classification
USPC
585/329
Prosecution
- Examiner
- DANG, THUAN D
- Art Unit
- 1764
- Docket No.
- 608-305
- Confirmation No.
- 1092
Foreign Priority
10042280.2
·
2000-08-29
·
GERMANY
10103834.8
·
2001-01-29
·
GERMANY
Publication
- Pub. No.
- US20020045786A1
- Pub. Date
- 2002-04-18
Patent Term Adjustment
-138days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-01-09
from
INEOS EUROPE LIMITED
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-10-04
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2007-02-09
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-08-16
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
- Patent No.
- US 6,632,972
- App. No.
- 09/930,267
- Filed
- 2001-08-16
- Granted
- 2003-10-14
- Pub. No.
- US20020045786A1
- Examiner
- DANG, THUAN D
- Art Unit
- 1764
- PTA
- -138 days
External Links