WO2026110089 - METHODS OF PREPARING AND PURIFYING OLIGONUCLEOTIDES
National phase entry is expected:
Publication Number
WO/2026/110089
Publication Date
28.05.2026
International Application No.
PCT/IB2025/061930
International Filing Date
21.11.2025
Title **
[English]
METHODS OF PREPARING AND PURIFYING OLIGONUCLEOTIDES
[French]
PROCÉDÉS DE PRÉPARATION ET DE PURIFICATION D'OLIGONUCLÉOTIDES
Applicants **
GLAXOSMITHKLINE INTELLECTUAL PROPERTY DEVELOPMENT LIMITED
Inventors
TANG, Datong
WOOD, Andrew J.
ANDREWS, Benjamin I.
Priority Data
63/723,946
22.11.2024
US
Application details
| Total Number of Claims/PCT | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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International Searching Authority |
EPO
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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.
** 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 | 2516 | |
| EPO | Filing, Examination, Granting | 14466 | |
| Japan | Filing, Examination, Granting | 2525 | |
| South Korea | Filing, Examination, Granting | 2718 | |
| USA | Filing, Examination, Granting | 5940 |

Total:
28,165
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Abstract[English]
Disclosed herein are novel methods for the preparation and purification of oligonucleotides, such as those for use in therapy. In particular, the novel methods disclosed herein involve a three-reaction cycle of solid-phase synthesis and eliminate the need for chromatography purification.[French]
Sont divulgués de nouveaux procédés de préparation et de purification d'oligonucléotides, tels que ceux destinés à être utilisés en thérapie. En particulier, les nouveaux procédés décrits dans le présent document impliquent un cycle à trois réactions de synthèse en phase solide et rend inutile la purification par chromatographie.