WO2025169162 - A PROCESS FOR THE PREPARATION OF PURE AMORPHOUS FORM OF PIMOBENDAN
National phase entry is expected:
Publication Number
WO/2025/169162
Publication Date
14.08.2025
International Application No.
PCT/IB2025/051363
International Filing Date
10.02.2025
Title **
[English]
A PROCESS FOR THE PREPARATION OF PURE AMORPHOUS FORM OF PIMOBENDAN
[French]
PROCÉDÉ DE PRÉPARATION DE FORME AMORPHE PURE DE PIMOBENDANE
Applicants **
TEADUS PHARMACEUTICALS PVT. LTD
Inventors
BALARAMAN, Selvakumar
SIRIPURAPU, Umamaheswar
JOBDEVAIRAKKAM, Christopher Newton
GOPU, Kasinathan
BADDIPALLY, Ramesh Reddy
NIMMAKAYALA, Rama Mohan
Priority Data
202441009100
10.02.2024
IN
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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| Pages of Specification | * |
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| Number of Office Actions | * |
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International Searching Authority |
IP India
* |
| 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 | 11576 | |
| Japan | Filing, Examination, Granting | 1908 | |
| South Korea | Filing, Examination, Granting | 1606 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
21,786
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Abstract[English]
The present invention relates to a process for the preparation of the pure amorphous form of Pimobendan, as represented by formula (1) More specifically, it pertains to methods for producing the amorphous form of Pimobendan from its methanol solvate. Additionally, it describes methods for obtaining the amorphous form of Pimobendan from its crystalline form.[French]
La présente invention concerne un procédé de préparation de la forme amorphe pure de pimobendane, telle que représentée par la formule (1). Plus spécifiquement, l'invention concerne des procédés de production de la forme amorphe de pimobendane à partir de son solvate méthanol. De plus, elle décrit des procédés d'obtention de la forme amorphe de pimobendane à partir de sa forme cristalline.