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Created with Raphaël 2.1.0 06.08.2021 Filing date 17.06.2022 Validation fee payment 31.08.2022 (A1) Patent application published 18.11.2022 AGEPI application filing date 31.01.2023 (T2) Translation of the validated European patent 06.05.2025 06.08.2025 Valid until 07.08.2026 Renewal fee to be paid until 06.08.2041 Patent will expire on

Patent in force


(210)Number of the EPO application21758144
(220)Filing date of the EPO application2021.08.06
(80)EPO patent specification publication (B)EPB nr. 41/2022, 2022.10.12
(110)EPO patent number3953330
(11)Number of the documentMD 3953330 T2
(21)Number of the applicatione 2022 0845
(71)Name(s) of applicant(s), code of the countryPfizer Inc., US;
(72)Name(s) of inventor(s), code of the countryOWEN Dafydd Rhys, US;
PETTERSSON Martin Youngjin, US;
REESE Matthew Richard, US;
SAMMONS Matthew Forrest, US;
TUTTLE Jamison Bryce, US;
VERHOEST Patrick Robert, US;
WEI Liuqing, US;
YANG Qingyi, US;
YANG Xiaojing, US;
(73)Name(s) of owner(s), code of the countryPFIZER INC., US;
(54)Title of the inventionNitrile-containing compounds useful as antiviral agents for the treatment of a coronavirus infection
(13)Kind-of-document code T2
(51)International Patent Classification C07D 207/267 (2006.01.01); C07D 403/12 (2006.01.01); C07D 403/14 (2006.01.01); A61P 31/14 (2006.01.01); C07D 401/12 (2006.01.01); C07D 497/04 (2006.01.01); A61K 31/4015 (2006.01.01); A61K 31/4025 (2006.01.01)
(19)CountryUS
(41)Date of publication of the application2022.08.31
(49)Date of publication of the translation of the validated European patent specification2023.01.31
(30)Priority202063073982 P, 2020.09.03, US; 202163143435 P, 2021.01.29, US; 202163170158 P, 2021.04.02, US; 202163194241 P, 2021.05.28, US
(74)Patent attorney(Procedură) LAZICOV Tatiana, str. A. Pușkin nr. 33, ap. 73, MD-2012, Chișinau, Republica Moldova
(86)International applicationPCT/IB2021/057281, 2021.08.06
(87)International publicationWO 2021/250648, 2021.12.16
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