Granted Patent
Utility
US 6,486,224
· Confirmation No. 2705
POLYURETHANE ELASTOMERS HAVING IMPROVED HYDROLYSIS RESISTANCE
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2007-10-24 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2001-08-23 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-08-23 | SPEC |
Specification | 20 | View | |
| 2001-08-23 | CLM |
Claims | 4 | View | |
| 2001-08-23 | ABST |
Abstract | 1 | View |
Inventors
Nai Wen Lin
Rochester Hills, MI
Ravi R. Joshi
Auburn Hills, MI
Attorneys & Agents of Record
Classification
USPC
521/159
Prosecution
- Examiner
- SERGENT, RABON A
- Art Unit
- 1711
- Customer No.
- 62068
- Docket No.
- WUR 50655/USW
- Confirmation No.
- 2705
Publication
- Pub. No.
- US20020040071A1
- Pub. Date
- 2002-04-04
Patent Term Adjustment
-5days
TERMINATION AND RELEASE OF SECURITY INTEREST IN UNITED STATES TRADEMARKS AND PATENTS
Recorded 2018-06-13
CORRECTIVE ASSIGNMENT TO CORRECT THE CHANGE NATURE OF CONVEYANCE FROM ASSIGNMENT TO SECURITY AGREEMENT PREVIOUSLY RECORDED ON REEL 025855 FRAME 0783. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Recorded 2011-06-28
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-02-28
HUNTSMAN INTERNATIONAL LLC,
HUNTSMAN ADVANCED MATERIALS LLC,
HUNTSMAN ADVANCED MATERIALS AMERICAS LLC,
HUNTSMAN ETHYLEMEAMINES LLC,
HUNTSMAN PETROCHEMICAL LLC
RELEASE OF SECURITY INTEREST
Recorded 2011-02-08
SECURITY INTEREST
Recorded 2005-11-21
SECURITY INTEREST
Recorded 2003-08-21
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-05-02
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Quick Facts
- Patent No.
- US 6,486,224
- App. No.
- 09/938,215
- Filed
- 2001-08-23
- Granted
- 2002-11-26
- Pub. No.
- US20020040071A1
- Examiner
- SERGENT, RABON A
- Art Unit
- 1711
- PTA
- -5 days
External Links