(19)
(11) EP 4 815 934 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24898511.1

(22) Date of filing: 19.11.2024
(51) International Patent Classification (IPC): 
A61K 31/395(2006.01)
A61K 31/495(2006.01)
 A61K 31/41(2006.01)
A61K 31/33(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 31/7105; A61K 47/545; C07H 21/02
(86) International application number:
PCT/US2024/056552
(87) International publication number:
WO 2025/117261 (05.06.2025 Gazette 2025/23)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 29.11.2023 US 202363603981 P

(71) Applicant: The Board of Trustees of the Leland Stanford Junior University
Stanford, CA 94305-2038 (US)

(72) Inventors:
  • CHATTERJEE, Sayantan
    Redwood City, California 94063 (US)
  • KOOL, Eric T.
    Redwood City, California 94063 (US)

(74) Representative: Mewburn Ellis LLP 
Aurora Building Counterslip
Bristol BS1 6BX
Bristol BS1 6BX (GB)

   


(54) MOLECULES AND METHODS FOR MODIFYING RNA WITH ARYL GROUPS