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The present invention provides an industrially advantageous, improved acylation process for the preparation of Cephalosporin, Cefprozil which comprises the N-acylation of a silylated derivative of 7-amino-3 -(1 -propen-1 -yl)-3 -cephem-4-carboxylic acid with D-(-)-2-(p-hydroxyphenyl)glycyl chloride hydrochloride.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
27 October 2003
Publication Number
Publication Type
Invention Field
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2008-10-21
Renewal Date
Applicants
AUROBINDO PHARMA LIMITED,
PLOT NO. 2, MAITRIVIHAR COMPLEX, AMEERPET, ANDHRA PRADESH, HYDERABAD - 500 038, INDIA.
Inventors
1. ASHVIN KUMAR AGGARWAL
AUROBINDO PHARMA LIMITED, PLOT NO. 2, MAITRIVIHAR COMPLEX, AMEERPET, ANDHRA PRADESH, HYDERABAD - 500 038, INDIA.
2. POTHANI JAYARAM
AUROBINDO PHARMA LIMITED, PLOT NO. 2, MAITRIVIHAR COMPLEX, AMEERPET, ANDHRA PRADESH, HYDERABAD - 500 038, INDIA.
3. NARAYAN K.A.S.S GARIMELLA
AUROBINDO PHARMA LIMITED, PLOT NO. 2, MAITRIVIHAR COMPLEX, AMEERPET, ANDHRA PRADESH, HYDERABAD - 500 038, INDIA.
4. RAMESH DANDALA
AUROBINDO PHARMA LIMITED, PLOT NO. 2, MAITRIVIHAR COMPLEX, AMEERPET, ANDHRA PRADESH, HYDERABAD - 500 038, INDIA.
5. MEENAKSHISUNDERAM SIVAKUMARAN
AUROBINDO PHARMA LIMITED, PLOT NO. 2, MAITRIVIHAR COMPLEX, AMEERPET, ANDHRA PRADESH, HYDERABAD - 500 038, INDIA.
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 859-che-2003-form 3.pdf | 2011-09-03 |
| 2 | 859-che-2003-form 26.pdf | 2011-09-03 |
| 3 | 859-che-2003-form 19.pdf | 2011-09-03 |
| 4 | 859-che-2003-form 1.pdf | 2011-09-03 |
| 5 | 859-che-2003-description(complete).pdf | 2011-09-03 |
| 6 | 859-che-2003-correspondnece-po.pdf | 2011-09-03 |
| 7 | 859-che-2003-correspondnece-others.pdf | 2011-09-03 |
| 8 | 859-che-2003-claims.pdf | 2011-09-03 |
| 9 | 859-che-2003-abstract.pdf | 2011-09-03 |
| 10 | 0859-che-2003 description (complete)-duplicate.pdf | 2011-09-03 |
| 11 | 0859-che-2003 claims-duplicate.pdf | 2011-09-03 |
| 12 | 0859-che-2003 abstract-duplicate.pdf | 2011-09-03 |