(19)
(11) EP 3 807 432 A1

(12)

(43) Date of publication:
21.04.2021 Bulletin 2021/16

(21) Application number: 19748988.3

(22) Date of filing: 20.06.2019
(51) International Patent Classification (IPC): 
C22C 1/04(2006.01)
C25D 11/04(2006.01)
C22C 32/00(2006.01)
(86) International application number:
PCT/US2019/038083
(87) International publication number:
WO 2020/023153 (30.01.2020 Gazette 2020/05)
(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: 25.07.2018 US 201816045462

(71) Applicant: Microsoft Technology Licensing, LLC
Redmond, Washington 98052-6399 (US)

(72) Inventors:
  • YAO, Zhicong
    Redmond, Washington 98052-6399 (US)
  • NIKKHAH, Massood
    Redmond, Washington 98052-6399 (US)

(74) Representative: Townsend, Martyn 
Page White & Farrer Bedford House John Street
London WC1N 2BF
London WC1N 2BF (GB)

   


(54) ALUMINUM-ALLOY COMPOSITE SUITABLE FOR ANODIZATION