Process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate
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United States of America Patent
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Jul 7, 2009
Issued Date -
N/A
app pub date -
Sep 18, 2003
filing date -
Sep 18, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In one aspect, the present invention provides a novel process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate, a key intermediate for the preparation of HMG-CoA reductase inhibitor.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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BIOCON LIMITED | KARNATAKA BANGALORE 560 100 |
International Classification(s)

- 2003 Application Filing Year
- C07C Class
- 2501 Applications Filed
- 854 Patents Issued To-Date
- 34.15 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Ganesh, Sambasivam | Karnataka , IN | 15 | 30 |
# of filed Patents : 15 Total Citations : 30 | |||
Puthiaparampil, Tom Thomas | Karnataka , IN | 13 | 21 |
# of filed Patents : 13 Total Citations : 21 | |||
Srinath, Sumithra | Karnataka , IN | 5 | 1 |
# of filed Patents : 5 Total Citations : 1 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- C07C Class
- 0 % this patent is cited more than
- 16 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Oct 13, 2014 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Sep 17, 2014 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Sep 17, 2014 |
Sep 17, 2014 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Apr 25, 2014 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 18, 2010 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Dec 02, 2009 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Feb 23, 2006 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Sep 17, 2002 | I | Issuance | |
Jun 27, 2000 | F | Filing | |
Jun 13, 2000 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GANTER, CHRISTIAN;REEL/FRAME:010900/0960 Owner name: GRAPHA-HOLDING AG, SWITZERLAND Effective Date: Jun 13, 2000 |
Jul 22, 1999 | PD | Priority Date |

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