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Created with Raphaël 2.1.0 12.03.2020 Formal examination (assignment of filing date) 28.04.2020 Preliminary examination 22.06.2020 Establishment of the national regular filing 24.06.2020 Substantive examination 30.09.2021 Publication of the application (A1) 31.01.2022 Publication of the decision of grant (B1) 31.07.2022 Completion of the opposition filing period 31.08.2022 Issuance of patent (C1) 27.07.2024 12.03.2025 Valid until 12.03.2026 Payment of maintenance fee 12.03.2040 Patent expiration date

Patent in force


(11)Number of the document4785
(21)Number of the applicationa 2020 0022
(22)Filing date of the application2020.03.12
 Date of filing the request for examination (de fond) 12.03.2020
(71)Name(s) of applicant(s), code of the countryINSTITUTUL DE CHIMIE AL MEC, MD; KATHOLIEKE UNIVERSITEIT LEUVEN, BE; UNIVERSITÄT BERN, CH;
(72)Name(s) of inventor(s), code of the countryKULCITKI Veaceslav, MD; GIRBU Vladilena, MD; PRUTEANU Elena, MD; RENAUD Philippe, CH; DAELEMANS Dirk, BE; UNGUR Nicon, MD;
(73)Name(s) of owner(s), code of the countryINSTITUTUL DE CHIMIE AL MEC, MD; KATHOLIEKE UNIVERSITEIT LEUVEN, BE; UNIVERSITÄT BERN, CH;
(54)Title of the inventionMethyl ent-15-hydroxy-16-azido-17-carboxymethoxymethylkauranoate with selective cytotoxic activity    
(13)Kind-of-document code
C1, BOPI 08/2022
B1, BOPI 01/2022
A1, BOPI 09/2021
(51)International Patent Classification C07C 247/14 (2006.01); C07C 61/08 (2006.01); A61K 31/655 (2006.01); A61K 31/015 (2006.01); A61P 35/00 (2006.01);
(19)CountryMD
(41)Date of publication of the application2021.09.30
(45)Date of publication of patent granting decision:2022.01.31
(47)Date of issuance of patent2022.08.31
(74)Patent attorneyJOVMIR Tudor, Str. Miorita nr. 5, bl. 2, ap. 19, MD-2028, Chişinău, Republica Moldova
 Substantive examiner(s)SĂU Tatiana, LEVIŢCHI Svetlana
 Payment for maintenance up to the date2025.03.12
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