Patent details

EP4225755 Title: PROCESS FOR RACEMIZING AND ISOLATING ATROPISOMERS OF 7-CHLORO-6-FLUORO-1-(2-ISOPROPYL-4-METHYLPYRIDIN-3-YL)PYRIDO[2,3-D]PYRIMIDINE-2,4(1H,3H)-DIONE

Basic Information

Publication number:
EP4225755
PCT Application Number:
US2021053859
Type:
European Patent Granted for LU
Legal Status:
In force
Application number:
EP218020881
PCT Publication Number:
WO2022076623
First applicant's nationality:
Translation Language:
EPO Publication Language:
English
English Title of Invention:
PROCESS FOR RACEMIZING AND ISOLATING ATROPISOMERS OF 7-CHLORO-6-FLUORO-1-(2-ISOPROPYL-4-METHYLPYRIDIN-3-YL)PYRIDO[2,3-D]PYRIMIDINE-2,4(1H,3H)-DIONE
French Title of Invention:
PROCÉDÉ DE RACÉMISATION ET D'ISOLEMENT D'ATROPISOMÈRES DE 7-CHLORO-6-FLUORO-1-(2-ISOPROPYL-4-MÉTHYLPYRIDIN-3-YL)PYRIDO[2,3-D]PYRIMIDINE-2,4(1H,3H)-DIONE
German Title of Invention:
VERFAHREN ZUR RACEMISIERUNG UND ISOLIERUNG VON ATROPISOMEREN VON 7-CHLOR-6-FLUOR-1-(2-ISOPROPYL-4-METHYLPYRIDIN-3-YL)PYRIDO[2,3-D!PYRIMIDIN-2,4(1H,3H)-DION
SPC Number:

Dates

Filing date:
06/10/2021
Grant date:
28/01/2026
EP Publication Date:
16/08/2023
PCT Publication Date:
14/04/2022
Claims Translation Received Date:
Translations Received Date (B1 EP Publication):
Translations Received Date (B2 EP Publication):
Translations Received Date (B3 EP Publication):
Publication date:
28/01/2026
EP B1 Publication Date:
28/01/2026
EP B2 Publication Date:
EP B3 Publication Date:
Lapsed date:
Expiration date:
06/10/2041
Renunciation date:
Revocation date:
Annulment date:

Owner

From:
21/01/2026
 
 

Name:
Amgen Inc.
Address:
1 Amgen Center Drive, Thousand Oaks, California 91320-1799, United States (US)

Agent

Name:
ARONOVA S.A.
From:
19/03/2026
Address:
PO Box 327, L-4004, ESCH-SUR-ALZETTE, Luxembourg (LU)
To:

Inventor

1

Name:
FANG, Yuanqing
Address:
United States (US)

2

Name:
PARSONS, Andrew T.
Address:
United States (US)

3

Name:
FORD, David D.
Address:
United States (US)

4

Name:
BEAVER, Matthew G.
Address:
United States (US)

5

Name:
ST-PIERRE, Gabrielle
Address:
United States (US)

6

Name:
CORBETT, Michael T.
Address:
United States (US)

7

Name:
TELMESANI, Reem
Address:
United States (US)

Priority

1

Priority Number:
202063088848 P
Priority Date:
07/10/2020
Priority Country:
United States (US)

2

Priority Number:
202163162278 P
Priority Date:
17/03/2021
Priority Country:
United States (US)

Classification

IPC classification:
C07D 471/04;

Publication

European Patent Bulletin

1

Issue number:
202605
Publication date:
28/01/2026
Description:
Grant (B1)

2

Issue number:
202609
Publication date:
25/02/2026
Description:
Application number/publication number of the divisional application (Art. 76) changed

Annual Fees

Annual Fee Due Date:
02/11/2026
Annual Fee Number:
6
Annual Fee Amount:
66 Euro
Expected Payer:
Last Annual Fee Payment Date:
Last Annual Fee Paid Number:
Payer:
Filing date Document type Number of pages
19/03/2026 Power Of Attorney 1
20/03/2026 Outgoing Correspondence 1