ALUMINA SEAL COATING WITH INTERLAYER

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EP 3 421 729 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:
	14.04.2021 Bulletin 2021/15

(45)	Mention of the grant of the patent:
	17.02.2021 Bulletin 2021/07

(21)	Application number: 18179881.0

(22)	Date of filing: 26.06.2018

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International Patent Classification (IPC):

F01D 11/00^(2006.01)

(54)	ALUMINA SEAL COATING WITH INTERLAYER ALUMINIUMOXIDABDICHTUNGSBESCHICHTUNG MIT ZWISCHENSCHICHT REVÊTEMENT D'ÉTANCHÉITÉ D'ALUMINE AYANT UNE COUCHE INTERMÉDIAIRE

(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

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Priority:

26.06.2017 US 201715633114

(43)	Date of publication of application:
	02.01.2019 Bulletin 2019/01

(73)	Proprietor: Raytheon Technologies Corporation
	Farmington, CT 06032 (US)

(72)	Inventor:
	STROCK, Christopher W. Kennebunk, ME Maine 04043 (US)

(74)	Representative: Dehns
	St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)

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References cited: :

EP-A1- 2 905 426
WO-A1-2011/100311
US-A1- 2015 044 035

EP-A1- 3 178 799
WO-A2-2015/130362

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).