WO2026013693 - A STABLE PROLONGED RELEASE TABLETS OF SODIUM VALPROATE AND VALPROIC ACID
National phase entry is expected:
Publication Number
WO/2026/013693
Publication Date
15.01.2026
International Application No.
PCT/IN2025/050993
International Filing Date
04.07.2025
Title **
[English]
A STABLE PROLONGED RELEASE TABLETS OF SODIUM VALPROATE AND VALPROIC ACID
[French]
COMPRIMÉS STABLES À LIBÉRATION PROLONGÉE DE VALPROATE DE SODIUM ET D'ACIDE VALPROÏQUE
Applicants **
WOCKHARDT LIMITED
Inventors
SEETHARAMAN, Sritharan
MHASE, Sunil
JENA, Nitishkumar
DUBE, Amol
JAJJAR, Rajeshkumar
Priority Data
202421052226
08.07.2024
IN
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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International Searching Authority |
IP India
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1956 | |
| EPO | Filing, Examination, Granting | 11606 | |
| Japan | Filing, Examination, Granting | 2018 | |
| South Korea | Filing, Examination, Granting | 1788 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
22,108
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Abstract[English]
A stable pharmaceutical composition in the form of orally administrable prolonged release tablet comprising sodium valproate and valprioic acid with no granulating solvent is disclosed, further comprising low viscosity polymer, high viscosity polymer, binder, adsorbent and glidant. A process for the preparation of said orally administrable prolonged release tablet is also disclosed.[French]
L'invention concerne une composition pharmaceutique stable se présentant sous la forme d'un comprimé à libération prolongée administrable par voie orale comprenant du valproate de sodium et de l'acide valprioïque sans solvant de granulation, comprenant en outre un polymère à faible viscosité, un polymère à viscosité élevée, un liant, un adsorbant et un agent de glissement. L'invention concerne également un procédé de préparation dudit comprimé à libération prolongée administrable par voie orale.