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EP3866923
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EP About this file: EP3866923
| EP3866923 - CO-CRYSTALS COMPRISING LEVOTHYROXINE AND A DICARBOXYLIC ACID [Right-click to bookmark this link] | Status | Examination is in progress Status updated on 27.10.2023 Database last updated on 30.03.2026 | |
| Former | Request for examination was made Status updated on 23.07.2021 | ||
| Former | The international publication has been made Status updated on 24.04.2020 | ||
| Former | unknown Status updated on 25.10.2019 | Most recent event Tooltip | 29.01.2026 | Change: Despatch of examination report + time limit | Applicant(s) | For all designated states SANDOZ AG Centralbahnstrasse 4 4051 Basel / CH | [2024/47] |
| Former [2021/34] | For all designated states Sandoz AG Lichtstrasse 35 4056 Basel / CH | Inventor(s) | 01 /
STEFINOVIC, Marijan c/o Sandoz GmbH Biochemiestr. 10 6250 Kundl / AT | 02 /
ENKELMANN, Dennis, Dimo c/o University of Innsbruck Innrain 52a 6020 Innsbruck / AT | 03 /
GRIESSER, Ulrich c/o Universität Innsbruck Innrain 52a 6020 Innsbruck / AT | 04 /
GELBRICH, Thomas c/o University of Innsbruck 6020 Innsbruck / AT | [2021/34] | Representative(s) | Prüfer & Partner mbB Patentanwälte · Rechtsanwälte Sohnckestraße 12 81479 München / DE | [2021/34] | Application number, filing date | 19786980.3 | 16.10.2019 | [2021/34] | WO2019EP78084 | Priority number, date | EP20180200869 | 17.10.2018 Original published format: EP 18200869 | EP20190201020 | 02.10.2019 Original published format: EP 19201020 | [2021/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2020079079 | Date: | 23.04.2020 | Language: | EN | [2020/17] | Type: | A1 Application with search report | No.: | EP3866923 | Date: | 25.08.2021 | Language: | EN | The application published by WIPO in one of the EPO official languages on 23.04.2020 takes the place of the publication of the European patent application. | [2021/34] | Search report(s) | International search report - published on: | EP | 23.04.2020 | Classification | IPC: | A61P5/00, C07C25/00, A61K31/198 | [2021/34] | CPC: |
C07C59/255 (EP);
C07C229/36 (EP,US);
A61K31/198 (EP);
A61P5/14 (EP);
C07C55/02 (US);
C07C59/08 (EP);
C07B2200/13 (EP,US)
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| 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, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2021/34] | Title | German: | CO-KRISTALLE MIT LEVOTHYREXIN UND EINER DICARBONSÄURE | [2021/34] | English: | CO-CRYSTALS COMPRISING LEVOTHYROXINE AND A DICARBOXYLIC ACID | [2021/34] | French: | CO-CRISTAUX COMPRENANT DE LA LÉVOTHYROXINE ET UN ACIDE DICARBOXYLIQUE | [2021/34] | Entry into regional phase | 29.03.2021 | National basic fee paid | 29.03.2021 | Designation fee(s) paid | 29.03.2021 | Examination fee paid | Examination procedure | 29.03.2021 | Examination requested [2021/34] | 29.03.2021 | Date on which the examining division has become responsible | 02.11.2021 | Amendment by applicant (claims and/or description) | 27.10.2023 | Despatch of a communication from the examining division (Time limit: M06) | 17.04.2024 | Reply to a communication from the examining division | 19.11.2025 | Despatch of a communication from the examining division (Time limit: M06) | Fees paid | Renewal fee | 29.09.2021 | Renewal fee patent year 03 | 28.09.2022 | Renewal fee patent year 04 | 27.09.2023 | Renewal fee patent year 05 | 26.09.2024 | Renewal fee patent year 06 | 24.09.2025 | Renewal fee patent year 07 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Cited in | International search | [XI] US7858663 (BRISTOL DAVID WILLIAM et al.) | [AD] MAZEN LEE HAMAD ET AL.: "Impact of hydration state and molecular oxygen on the chemical stability of levothyroxine sodium", PHARM DEV TECHNOL, vol. 20, no. 3, 2015, pages 314 - 319, XP002786835 | [A] CERREIA VIOGLIO PAOLO ET AL: "Pharmaceutical aspects of salt and cocrystal forms of APIs and characterization challenges", ADVANCED DRUG DELIVERY REVIEWS, vol. 117, 5 July 2017 (2017-07-05), pages 86 - 110, XP085279596, ISSN: 0169-409X, DOI: 10.1016/J.ADDR.2017.07.001 DOI: http://dx.doi.org/10.1016/j.addr.2017.07.001 | [A] ANINDITA SARKAR ET AL: "Cocrystals of Acyclovir with Promising Physicochemical Properties", DISSOLUTION PROFILE OF NOVEL COMPOSITE PELLET CORES BASED ON DIFFERENT RATIOS OF MICROCRYSTALLINE CELLULOSE AND ISOMALT, vol. 104, no. 1, 1 January 2015 (2015-01-01), pages 98 - 105, XP055526401, ISSN: 0022-3549, DOI: 10.1002/jps.24248 DOI: http://dx.doi.org/10.1002/jps.24248 | Examination | US10183001 | by applicant | MAZEN LEE HAMAD ET AL.: "Impact of hydration state and molecular oxygen on the chemical stability of levothyroxine sodium", PHARM DEV TECHNOL, vol. 20, no. 3, 2015, pages 314 - 319, XP055526252, doi:10.3109/10837450.2013.862635 DOI: http://dx.doi.org/10.3109/10837450.2013.862635 | VITALIJ K PECHARSKYPETER Y. ZAVALIJ: "Fundamentals of Powder Diffraction and Structural Characterization of Materials", 2003, KLUWER ACADEMIC PUBLISHERS, pages: 3 | SHELDRICK, ACTA CRYST, vol. A71, 2015, pages 3 - 8 | PARSONSFLACKWAGNER, ACTA CRYST., vol. B69, 2013, pages 249 - 259 |