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EP4301731
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EP About this file: EP4301731
| EP4301731 - PROCESS FOR PREPARING N,N'-BIS(2,2,6,6-TETRAMETHYLPIPERIDIN-4-YL)HEXANE-1,6-DIAMINE [Right-click to bookmark this link] | Status | The patent has been granted Status updated on 05.09.2025 Database last updated on 21.03.2026 | |
| Former | Grant of patent is intended Status updated on 11.07.2025 | ||
| Former | Request for examination was made Status updated on 08.12.2023 | ||
| Former | The international publication has been made Status updated on 09.09.2022 | ||
| Former | unknown Status updated on 18.02.2022 | Most recent event Tooltip | 05.09.2025 | (Expected) grant | published on 08.10.2025 [2025/41] | Applicant(s) | For all designated states BASF SE Carl-Bosch-Strasse 38 67056 Ludwigshafen am Rhein / DE | [2025/41] |
| Former [2024/02] | For all designated states BASF SE Carl-Bosch-Strasse 38 67056 Ludwigshafen am Rhein / DE | Inventor(s) | 01 /
HAYDL, Alexander Michael 68199 Mannheim / DE | 02 /
SCHMITT, Michael 67056 Ludwigshafen / DE | 03 /
CAPITO', Elena 40037 Pontecchio Marconi BO / IT | [2024/02] | Representative(s) | BASF IP Association BASF SE GBI-C006 67056 Ludwigshafen / DE | [2025/41] |
| Former [2024/02] | Winkenstette, Manuel Patentanwälte Isenbruck Bösl Hörschler PartG mbB Eastsite One Seckenheimer Landstraße 4 68163 Mannheim / DE | Application number, filing date | 22703415.4 | 10.02.2022 | [2024/02] | WO2022EP53192 | Priority number, date | EP20210161133 | 05.03.2021 Original published format: EP 21161133 | [2024/02] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2022184399 | Date: | 09.09.2022 | Language: | EN | [2022/36] | Type: | A1 Application with search report | No.: | EP4301731 | Date: | 10.01.2024 | Language: | EN | The application published by WIPO in one of the EPO official languages on 09.09.2022 takes the place of the publication of the European patent application. | [2024/02] | Type: | B1 Patent specification | No.: | EP4301731 | Date: | 08.10.2025 | Language: | EN | [2025/41] | Search report(s) | International search report - published on: | EP | 09.09.2022 | Classification | IPC: | C07D211/58 | [2024/02] | CPC: |
C07D211/58 (EP,KR);
C07D211/02 (US);
C07D251/22 (US)
| 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 [2024/02]
| Extension states | BA | Not yet paid | ME | Not yet paid | Validation states | KH | Not yet paid | MA | Not yet paid | MD | Not yet paid | TN | Not yet paid | Title | German: | VERFAHREN ZUR HERSTELLUNG VON N,N-BIS-(2,2,6,6-TETRAMETHYLPIPERIDIN-4-YL)HEXAN-1,6-DIAMIN | [2025/32] | English: | PROCESS FOR PREPARING N,N'-BIS(2,2,6,6-TETRAMETHYLPIPERIDIN-4-YL)HEXANE-1,6-DIAMINE | [2024/02] | French: | PROCÉDÉ DE PRÉPARATION DE N,N'-BIS (2,2,6,6-TÉTRAMÉTHYLPIPÉRIDIN-4-YL)HEXANE-1,6-DIAMINE | [2024/02] |
| Former [2024/02] | VERFAHREN ZUR HERSTELLUNG VON N,N'-BIS(2,2,6,6-TETRAMETHYLPIPERIDIN-4-YL)HEXAN-1,6-DIAMIN | Entry into regional phase | 05.10.2023 | National basic fee paid | 05.10.2023 | Designation fee(s) paid | 05.10.2023 | Examination fee paid | Examination procedure | 05.10.2023 | Examination requested [2024/02] | 05.10.2023 | Date on which the examining division has become responsible | 29.11.2023 | Amendment by applicant (claims and/or description) | 11.07.2025 | Communication of intention to grant the patent | 02.09.2025 | Fee for grant paid | 02.09.2025 | Fee for publishing/printing paid | 02.09.2025 | Receipt of the translation of the claim(s) | Fees paid | Renewal fee | 29.02.2024 | Renewal fee patent year 03 | 28.02.2025 | Renewal fee patent year 04 |
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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 | [AD] EP0508940 (CIBA GEIGY AG et al.) | [AD] EP0857719 (HUELS CHEMISCHE WERKE AG et al.) | [X] WO0162833 (BOREALIS TECH OY et al.) | [X] WO2008145673 (BASF SE et al.) | by applicant | EP0508940 | EP0857719 | US5945536 | EP0906281 | DE19622269 | CN108623566 | US6407254 | EP0782994 | US4086204 | CN107033127 |