WO2021224902 - AN IMPROVED PROCESS FOR THE PREPARATION OF AN AQUEOUS OPHTHALMIC SOLUTION OF DIFLUPREDNATE
National phase entry:
Publication Number
WO/2021/224902
Publication Date
11.11.2021
International Application No.
PCT/IB2021/059213
International Filing Date
07.10.2021
Title **
[English]
AN IMPROVED PROCESS FOR THE PREPARATION OF AN AQUEOUS OPHTHALMIC SOLUTION OF DIFLUPREDNATE
[French]
PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'UNE SOLUTION OPHTALMIQUE AQUEUSE DE DIFLUPREDNATE
Applicants **
SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
Inventors
HALDER, Arindam
KHOPADE, Ajay Jaysingh
Priority Data
202121038494
25.08.2021
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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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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| 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.
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1951 | |
| EPO | Filing, Examination, Granting | 11561 | |
| Japan | Filing, Examination, Granting | 1994 | |
| South Korea | Filing, Examination, Granting | 1702 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
21,948
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
The present invention relates an improved process for the preparation of an aqueous ophthalmic solution of difluprednate or pharmaceutically acceptable salts thereof. The present invention further relates to an aqueous ophthalmic solution of difluprednate or pharmaceutically acceptable salts thereof, prepared by the improved process of the present invention.[French]
La présente invention concerne un procédé amélioré pour la préparation d'une solution ophtalmique aqueuse de difluprednate ou de sels pharmaceutiquement acceptables de celui-ci. La présente invention concerne en outre une solution ophtalmique aqueuse de difluprednate ou de sels pharmaceutiquement acceptables de celui-ci, préparée par le procédé amélioré de la présente invention.