(19)
(11) EP 4 158 101 A2

(12)

(88) Date of publication A3:
06.01.2022

(43) Date of publication:
05.04.2023 Bulletin 2023/14

(21) Application number: 21737117.8

(22) Date of filing: 25.05.2021
(51) International Patent Classification (IPC): 
E01B 5/02(2006.01)
(52) Cooperative Patent Classification (CPC):
E01B 5/02
(86) International application number:
PCT/GB2021/051270
(87) International publication number:
WO 2021/240146 (02.12.2021 Gazette 2021/48)
(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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 26.05.2020 GB 202007830

(71) Applicants:
  • Phillips, Roland Norman
    Macclesfield Cheshire SK10 5SD (GB)
  • Venables, Raymond
    Liverpool Merseyside L4 2SL (GB)
  • Whittle, Mark Stephen
    Seaford Sussex BN25 2QT (GB)

(72) Inventors:
  • Phillips, Roland Norman
    Macclesfield Cheshire SK10 5SD (GB)
  • Venables, Raymond
    Liverpool Merseyside L4 2SL (GB)
  • Whittle, Mark Stephen
    Seaford Sussex BN25 2QT (GB)

(74) Representative: Linn, Samuel Jonathan 
23 Bings Road
Whaley Bridge Derbyshire SK23 7ND
Whaley Bridge Derbyshire SK23 7ND (GB)

   


(54) RAIL TREATMENT METHOD, COMPOSITION AND APPARATUS