Title of Invention | BILAYER TABLETS OF OXCARBAZEPINE FOR CONTROLLED DELIVERY AND A PROCESS OF PREPARATION THEREOF |
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Abstract | The present invention describes a bilayer tablet comprising (a) an immediate release first layer comprising an effective amount of oxcarbazepine and at least one pharmaceutically acceptable excient and (b) a cibtrikked release second layer comprising an effective amount of oxcarbazepine and phrmaceutically acceptable excipients wherein total of oxcarbazepine impurities is less than or equal to about 2% by weight. The present invention describes process for preparation of a controlled release bilayer tablets that is capable of delivering oxcarbazepine from matrix forming layer. The present invention also describes process for preparation of oxcarbazepine bilayer tablets. The present invention relates more particularly to bilayer tablets of oxcarbazepine, which maintain a therapetically effective blood concentration of oxcarbazepine with once a day administration. |
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1425-mum-2004-abstract(29-12-2004).doc
1425-mum-2004-abstract(29-12-2004).pdf
1425-mum-2004-abstract(granted)-(15-6-2009).doc
1425-mum-2004-abstract(granted)-(15-6-2009).pdf
1425-mum-2004-cancelled pages(3-9-2007).pdf
1425-mum-2004-cancelled pages(7-6-2009).pdf
1425-mum-2004-claims(29-12-2004).doc
1425-mum-2004-claims(29-12-2004).pdf
1425-mum-2004-claims(amended)-(3-9-2007).pdf
1425-mum-2004-claims(amended)-(7-6-2009).pdf
1425-mum-2004-claims(granted)-(15-6-2009).doc
1425-mum-2004-claims(granted)-(15-6-2009).pdf
1425-mum-2004-correspondence(21-8-2007).pdf
1425-mum-2004-correspondence(ipo)-(15-6-2009).pdf
1425-mum-2004-description(complete)(29-12-2004).pdf
1425-mum-2004-description(granted)-(15-6-2009).pdf
1425-mum-2004-drawing(29-12-2004).pdf
1425-mum-2004-drawing(granted)-(15-6-2009).pdf
1425-mum-2004-form 1(29-12-2004).pdf
1425-mum-2004-form 19(29-12-2004).pdf
1425-mum-2004-form 2(29-12-2004).doc
1425-mum-2004-form 2(29-12-2004).pdf
1425-mum-2004-form 2(granted)-(15-6-2009).doc
1425-mum-2004-form 2(granted)-(15-6-2009).pdf
1425-mum-2004-form 2(title page)-(29-12-2004).pdf
1425-mum-2004-form 2(title page)-(granted)-(15-6-2009).pdf
1425-mum-2004-form 3(29-12-2004).pdf
Patent Number | 234792 | ||||||||||||
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Indian Patent Application Number | 1425/MUM/2004 | ||||||||||||
PG Journal Number | 28/2009 | ||||||||||||
Publication Date | 10-Jul-2009 | ||||||||||||
Grant Date | 15-Jun-2009 | ||||||||||||
Date of Filing | 29-Dec-2004 | ||||||||||||
Name of Patentee | M/s.J.B.CHEMICALS & PHARMACEUTICALS LTD | ||||||||||||
Applicant Address | Neelam Centre,'B' Wing, 4th Floor,Hind Cycle Road,Worli, Mumbai-400 030 | ||||||||||||
Inventors:
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PCT International Classification Number | A61K 35/00 | ||||||||||||
PCT International Application Number | N/A | ||||||||||||
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PCT Conventions:
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