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EP4153811
European procedure
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EP About this file: EP4153811
| EP4153811 - METHODS OF TREATING A KRAFT PROCESS RECOVERY CICLE TO REDUCE METAL LEVELS AT THE KRAFT PROCESS [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 24.02.2023 Database last updated on 31.08.2024 | |
| Former | The international publication has been made Status updated on 26.11.2021 | Most recent event Tooltip | 18.05.2024 | Supplementary search report | published on 19.06.2024 [2024/25] | Applicant(s) | For all designated states Suzano S.A. Avenida Professor Magalhães Neto, 1.752, 10º andar Salas 1010 e 1011 41810-012 Pituba, Salvador, BA / BR | [2023/13] | Inventor(s) | 01 /
RAMIRES, Heloisa Ogushi Romeiro 29199-102 ARACRUZ ES / BR | 02 /
DE FARIA, Thiago Silva Pinto 29190-341 ARACRUZ - ES / BR | [2023/13] | Representative(s) | Aera A/S Niels Hemmingsens Gade 10, 5th Floor 1153 Copenhagen K / DK | [2023/13] | Application number, filing date | 21809014.0 | 24.05.2021 | [2023/13] | WO2021BR50222 | Priority number, date | US202063029075P | 22.05.2020 Original published format: US 202063029075 P | [2023/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2021232133 | Date: | 25.11.2021 | Language: | EN | [2021/47] | Type: | A1 Application with search report | No.: | EP4153811 | Date: | 29.03.2023 | Language: | EN | The application published by WIPO in one of the EPO official languages on 25.11.2021 takes the place of the publication of the European patent application. | [2023/13] | Search report(s) | International search report - published on: | BR | 25.11.2021 | (Supplementary) European search report - dispatched on: | EP | 17.05.2024 | Classification | IPC: | D21C11/02, D21C11/00, D21C11/04 | [2024/25] | CPC: |
D21C11/0035 (EP);
D21C11/0085 (EP,US);
D21C11/00 (EP);
D21C11/02 (EP);
D21C11/04 (EP,US);
D21C11/10 (US);
Y02P10/20 (EP)
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| Former IPC [2023/13] | D21C11/00, D21C11/02, D21C11/04 | 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 [2023/13] | Title | German: | VERFAHREN ZUR BEHANDLUNG EINES KRAFTPROZESSRÜCKGEWINNUNGSPARTIKELS ZUR VERRINGERUNG DES METALLSPIEGELS IM KRAFTPROZESS | [2023/13] | English: | METHODS OF TREATING A KRAFT PROCESS RECOVERY CICLE TO REDUCE METAL LEVELS AT THE KRAFT PROCESS | [2023/13] | French: | PROCÉDÉS DE TRAITEMENT D'UN CIRCUIT DE RÉCUPÉRATION DE PROCÉDÉ KRAFT POUR RÉDUIRE LA TENEUR EN MÉTAUX DANS UN PROCÉDÉ KRAFT | [2023/13] | Entry into regional phase | 05.12.2022 | National basic fee paid | 05.12.2022 | Search fee paid | 05.12.2022 | Designation fee(s) paid | 05.12.2022 | Examination fee paid | Examination procedure | 05.12.2022 | Examination requested [2023/13] | 14.07.2023 | Amendment by applicant (claims and/or description) | Fees paid | Renewal fee | 30.05.2023 | Renewal fee patent year 03 | 16.05.2024 | 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. | Documents cited: | Search | [XI]DE1076485 (INST ZELLSTOFF, et al); | [A]US5082526 (DORRIS GILLES [CA]); | [XI]SE533477 (LINDAHL ARNE [SE]); | [A]WO2018046482 (SUNCARBON AB [SE]); | [A]US2019040577 (SMYRNIOTIS CHRSTOPHER R [US], et al) | International search | [X]US4347102 (NELSON HUGH W); | [XY]WO8502834 (NORTH BROKEN HILL LTD [AU]); | [XY]WO9531600 (KVAERNER PULPING TECH [SE], et al); | [Y]WO0173195 (KEMIRA KEMI AB [SE], et al); |