(19)
(11) EP 3 235 795 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:
25.03.2020 Bulletin 2020/13

(45) Mention of the grant of the patent:
12.02.2020 Bulletin 2020/07

(21) Application number: 17167612.5

(22) Date of filing: 21.04.2017
(51) International Patent Classification (IPC): 
C04B 41/89(2006.01)
C04B 41/00(2006.01)
C04B 41/52(2006.01)
 C04B 41/85(2006.01)
C04B 41/50(2006.01)
F01D 5/28(2006.01)

(54)

SLURRY-BASED REACTION BONDED ENVIRONMENTAL BARRIER COATINGS

SUSPENSIONSBASIERTE REAKTIONSGEBUNDENE UMGEBUNGSSPERRSCHICHTEN

REVÊTEMENTS À BASE DE SUSPENSION LIÉS PAR RÉACTION FORMANT UNE BARRIÈRE ENVIRONNEMENTALE

(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: 22.04.2016 US 201662326543 P
14.04.2017 US 201715488037

(43) Date of publication of application:
25.10.2017 Bulletin 2017/43

(73) Proprietors:
  • Rolls-Royce plc
    London N1 9FX (GB)
  • Rolls-Royce Corporation
    Indianapolis, Indiana 46225-1103 (US)

(72) Inventors:
  • NASIRI, Nasrin Al
    London, UB5 5TP (GB)
  • LEE, William Edward
    London, SW7 2BP (GB)
  • LANDWEHR, Sean E
    Avon, Indianapolis 46123 (US)
  • CHAMBERLAIN, Adam Lee
    Mooresville, Indianapolis 46158 (US)

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


(56) References cited: : 
EP-A2- 2 284 138
US-A1- 2009 297 718
 US-A1- 2006 280 952
   
  • APARICIO M ET AL: "Colloidal Stability and Sintering of Yttria-Silica and Yttria-Silica-Alumina aqueous suspensions", JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, ELSEVIER SCIENCE PUBLISHERS, BARKING, ESSEX, GB, vol. 19, no. 9, July 1999 (1999-07), pages 1717-1724, XP004165939, ISSN: 0955-2219, DOI: 10.1016/S0955-2219(98)00267-2
   
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).