WO2025257773 - PROCESSES FOR THE PREPARATION OF RITLECITINIB AND INTERMEDIATES THEREOF
National phase entry is expected:
Publication Number
WO/2025/257773
Publication Date
18.12.2025
International Application No.
PCT/IB2025/055999
International Filing Date
11.06.2025
Title **
[English]
PROCESSES FOR THE PREPARATION OF RITLECITINIB AND INTERMEDIATES THEREOF
[French]
PROCÉDÉS DE PRÉPARATION DE RITLECITINIB ET D'INTERMÉDIAIRES DE CELUI-CI
Applicants **
ASSIA CHEMICAL INDUSTRIES LTD.
Inventors
KADU, Rushikesh Vilasrao
DAUND, Vaibhav Suresh
PRAJAPATY, Ramkaran
JAISWAL, Subodh
KUMAR, Gopikishan
DAS, Debashis
BÁNÓCZI, Gergely
PAÁL, Tihamér
MADARÁSZ, Anita Bokorné
ESZENYI, Dániel
BORBÉLY, Ágnes Anikó
KOVÁCS-OZGYIN, Lilla
UJVÁROSI, Andrea Zsuzsanna
Priority Data
202411045167
11.06.2024
IN
202511041349
29.04.2025
IN
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
| * | |
| Number of Office Actions | * |
| * | |
International Searching Authority |
EPO
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Patent Delivery |
Send the Letters Patent by Courier
* |
| Translation |
|
* 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 | 5884 | |
| EPO | Filing, Examination, Granting | 131018 | |
| Japan | Filing, Examination, Granting | 4948 | |
| South Korea | Filing, Examination, Granting | 9239 | |
| USA | Filing, Examination, Granting | 30390 |
Total:
181,479
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Abstract[English]
The present disclosure provides processes and intermediates for the preparation of Ritlecitinib.[French]
La présente invention concerne des procédés et des intermédiaires pour la préparation de ritlecitinib.