Granted Patent
Utility
US 6,476,237
· Confirmation No. 2093
PURIFICATION OF ALKYLENE CARBONATES
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2002-02-26 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-02-26 | ADS |
Application Data Sheet | 3 | View | |
| 2002-02-26 | SPEC |
Specification | 17 | View | |
| 2002-02-26 | CLM |
Claims | 3 | View | |
| 2002-02-26 | ABST |
Abstract | 1 | View | |
| 2002-02-26 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2002-02-26 | OATH |
Oath or Declaration filed | 7 | View |
Inventors
James R. Machac JR.
The Woodlands, TX
Ralph M. DiGuilio
Round Rock, TX
John R. Sanderson
Austin, TX
Ronald L. Savage
Cedar Park, TX
Attorneys & Agents of Record
Classification
USPC
549/230
C07D317/38
C07D317/36
Prosecution
- Examiner
- SAEED, KAMAL A
- Art Unit
- 1626
- Docket No.
- 81530-C2
- Confirmation No.
- 2093
Publication
- Pub. No.
- US20020082430A1
- Pub. Date
- 2002-06-27
Patent Term Adjustment
-93days
TERMINATION AND RELEASE OF SECURITY INTEREST IN UNITED STATES TRADEMARKS AND PATENTS
Recorded 2018-06-13
CORRECTIVE ASSIGNMENT TO CORRECT THE NATURE OF CONVEYANCE FROM AN ASSIGNMENT TO A SECURITY AGREEMENT PREVIOUSLY RECORDED ON REEL 025857 FRAME 0137. 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 2005-11-17
SECURITY AGREEMENT
Recorded 2005-01-28
GRANT OF SECURITY INTEREST IN U.S. TRADEMARKS AND PATENTS
Recorded 2003-12-04
SECURITY INTEREST
Recorded 2002-10-15
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-02-26
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Quick Facts
- Patent No.
- US 6,476,237
- App. No.
- 10/083,230
- Filed
- 2002-02-26
- Granted
- 2002-11-05
- Pub. No.
- US20020082430A1
- Examiner
- SAEED, KAMAL A
- Art Unit
- 1626
- PTA
- -93 days
External Links