Granted Patent
Utility
US 6,331,651
· Confirmation No. 1561
Process for making hexamethylene diamine using ozone-treated adiponitrile that contains phosphorous compounds
Inventor:
John Joseph Ostermaier
Patented Case
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2005-09-28 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2001-04-20 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-04-20 | SPEC |
Specification | 1 | View | |
| 2001-04-20 | CLM |
Claims | 6 | View | |
| 2001-04-20 | ABST |
Abstract | 1 | View | |
| 2001-04-20 | DRW |
Drawings-only black and white line drawings | 1 | View | |
| 2001-04-20 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
John Joseph Ostermaier
Wilmington, DE
Attorneys & Agents of Record
Classification
USPC
564/490
C07C209/48
C07C211/12
Prosecution
- Examiner
- DAVIS, BRIAN J
- Art Unit
- 1621
- Customer No.
- 23906
- Docket No.
- PI1230 US CIP
- Confirmation No.
- 1561
Patent Term Adjustment
0days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2021-01-07
RELEASE OF SECURITY INTEREST
Recorded 2011-11-10
SECURITY AGREEMENT
Recorded 2009-03-19
from
JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT (F/K/A JPMORGAN CHASE BANK)
RELEASE OF U.S. PATENT SECURITY INTEREST
Recorded 2009-03-19
SECURITY INTEREST
Recorded 2004-06-23
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2004-05-27
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-07-05
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Quick Facts
- Patent No.
- US 6,331,651
- App. No.
- 09/839,808
- Filed
- 2001-04-20
- Granted
- 2001-12-18
- Examiner
- DAVIS, BRIAN J
- Art Unit
- 1621
- PTA
- 0 days
External Links