Granted Patent
Utility
US 6,642,406
· Confirmation No. 3714
SYNTHESIS OF N-[N-(3,3-DIMETHYLBUTYL)-L-ALPHA-ASPARTYL]-L-PHENYLALANINE 1-METHYL ESTER USING L-ALPHA-ASPARTYL-L- PHENYLALANINE 1-METHYL ESTER PRECURSORS
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2015-03-09 | OATH |
Oath or Declaration filed | 8 | View | |
| 2003-07-16 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2001-05-18 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-05-18 | ADS |
Application Data Sheet | 2 | View | |
| 2001-05-18 | SPEC |
Specification | 19 | View | |
| 2001-05-18 | CLM |
Claims | 7 | View | |
| 2001-05-18 | ABST |
Abstract | 1 | View |
Inventors
Indra Prakash
Hoffman Estates, IL
Zhi Guo
Mount Prospect, IL
Steve Schroeder
Belvidere, IL
Kurt L. Wachholder
Elgin, IL
Attorneys & Agents of Record
Classification
USPC
560/4
Prosecution
- Examiner
- ZUCKER, PAUL A
- Art Unit
- 1621
- Customer No.
- 5514
- Docket No.
- 02047.000151.
- Confirmation No.
- 3714
Publication
- Pub. No.
- US20020019557A1
- Pub. Date
- 2002-02-14
Patent Term Adjustment
-60days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2009-10-27
COLLATERAL ASSIGNMENT OF PATENTS
Recorded 2008-10-10
RELEASE OF SECURITY INTEREST
Recorded 2008-09-17
RELEASE OF SECURITY INTEREST IN PATENTS RECORDED 10/15/2004 WITH USPTO AT REEL 015302 FRAME 0536.
Recorded 2008-09-17
SECOND LIEN PATENT SECURITY AGREEMENT
Recorded 2004-11-12
SECURITY INTEREST
Recorded 2004-10-15
SECURITY AGREEMENT
Recorded 2004-10-15
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-12
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Quick Facts
- Patent No.
- US 6,642,406
- App. No.
- 09/859,438
- Filed
- 2001-05-18
- Granted
- 2003-11-04
- Pub. No.
- US20020019557A1
- Examiner
- ZUCKER, PAUL A
- Art Unit
- 1621
- PTA
- -60 days
External Links