(19)
(11) EP 4 308 754 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
07.05.2025 Bulletin 2025/19

(45) Mention of the grant of the patent:
02.04.2025 Bulletin 2025/14

(21) Application number: 22717120.4

(22) Date of filing: 21.03.2022
(51) International Patent Classification (IPC): 
C25F 7/00(2006.01)
G21C 17/017(2006.01)
G21F 9/00(2006.01)
 G21C 17/013(2006.01)
C25F 3/16(2006.01)
(52) Cooperative Patent Classification (CPC):
C25F 3/16; C25F 7/00; G21F 9/004; G21C 17/017; G21C 17/013
(86) International application number:
PCT/EP2022/057390
(87) International publication number:
WO 2022/195132 (22.09.2022 Gazette 2022/38)

(54)

ELECTROLYTIC INTERIOR SURFACE TREATMENT APPARATUS

VORRICHTUNG ZUR ELEKTROLYTISCHEN INNENFLÄCHENBEHANDLUNG

APPAREIL DE TRAITEMENT ÉLECTROLYTIQUE DES SURFACES INTÉRIEURES

(84) 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

(30) Priority: 19.03.2021 GB 202103823

(43) Date of publication of application:
24.01.2024 Bulletin 2024/04

(73) Proprietors:
  • C-Tech Innovation Limited
    Whitefield, Greater Manchester M45 7TA (GB)
  • United Kingdom National Nuclear Laboratory Limited
    Warrington WA3 6AE (GB)

(72) Inventors:
  • BELL, Robert
    Capenhurst, Cheshire CH1 6EH (GB)
  • COLLINS, John
    Capenhurst, Cheshire CH1 6EH (GB)
  • O'BRIEN, Luke
    Warrington WA3 6AE (GB)

(74) Representative: HGF 
HGF Limited 1 City Walk
Leeds LS11 9DX
Leeds LS11 9DX (GB)


(56) References cited: : 
WO-A1-2020/089610
FR-A1- 2 693 129
 DD-A1- 136 982
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).