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EP4474445
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EP About this file: EP4474445
| EP4474445 - SULFONATED LIGNINS FOR SCALE INHIBITION [Right-click to bookmark this link] | Status | The application has been published Status updated on 08.11.2024 Database last updated on 14.03.2026 | Most recent event Tooltip | 05.08.2025 | New entry: Additional fee for renewal fee: despatch of communication + time limit | Applicant(s) | For all designated states Borregaard AS Hjalmar Wessels vei 6 1721 Sarpsborg / NO | [2024/50] | Representative(s) | Tostmann, Holger Carl Wallinger Ricker Schlotter Tostmann Patent- und Rechtsanwälte Partnerschaft mbB Zweibrückenstrasse 5-7 80331 München / DE | [2024/50] | Application number, filing date | 23178014.9 | 07.06.2023 | [2024/50] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP4474445 | Date: | 11.12.2024 | Language: | EN | [2024/50] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.11.2023 | Classification | IPC: | C09K8/035, C09K8/528 | [2024/50] | CPC: |
C09K8/035 (EP);
C07G1/00 (EP);
C09K8/528 (EP)
| 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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2024/50] | Extension states | BA | Not yet paid | Validation states | KH | Not yet paid | MA | Not yet paid | MD | Not yet paid | TN | Not yet paid | Title | German: | SULFONIERTE LIGNINE ZUR KESSELSTEINHEMMUNG | [2024/50] | English: | SULFONATED LIGNINS FOR SCALE INHIBITION | [2024/50] | French: | LIGNINES SULFONÉES POUR L'INHIBITION DE TARTRE | [2024/50] | Examination procedure | 18.12.2024 | Despatch of communication that the application is refused, reason: Examination on filing A.90(5) {1} | Fees paid | Penalty fee | Additional fee for renewal fee | 30.06.2025 | 03 M06 Not yet paid |
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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 | [XDI] WO2021165298 (BORREGAARD AS et al.) | [I] WO2022194774 (BORREGAARD AS et al.) | [A] US3726850 (DETROIT W et al.) | [A] WO2021197624 (ROCKWOOL INT et al.) | [A] CN102604120 (UNIV FUZHOU et al.) | [A] "KIRK-OTHMER ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY (4th edition)", 15 December 2015, WILEY-INTERSCIENCE, Hoboken, NJ, USA, ISBN: 978-0-471-48494-3, article GARGULAK JERRY D. ET AL: "Lignin", pages: 1 - 26, XP055969095, DOI: 10.1002/0471238961.12090714120914.a01.pub3 DOI: http://dx.doi.org/10.1002/0471238961.12090714120914.a01.pub3 | by applicant | US2297670 | US3849328 | US2505457 | US2013137799 | WO2021165298 | IND. ENG. CHEM. RES., vol. 45, no. 16, 2006, pages 5716 - 5721 | ARGYROPOULOS, D.S.ABACHERLI, A.RINCN, A.G.ARX, U.V.: "Analytical Methods for Lignin Characterisation", 2009, INTERNATIONAL LIGNIN INSTITUTE, article "Quantitative 31 P nuclear magnetic resonance (NMR) spectra of lignin" |