(19)
(11) EP 3 360 986 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:
02.12.2020 Bulletin 2020/49

(45) Mention of the grant of the patent:
25.03.2020 Bulletin 2020/13

(21) Application number: 16906130.6

(22) Date of filing: 15.11.2016
(51) International Patent Classification (IPC): 
C23G 1/08(2006.01)
 C23G 1/06(2006.01)
(86) International application number:
PCT/CN2016/105810
(87) International publication number:
WO 2017/219591 (28.12.2017 Gazette 2017/52)

(54)

STAINLESS STEEL SURFACE OXIDE COATING ACID-WASH ADDITIVE, MANUFACTURING METHOD, AND ACID WASHING METHOD

SÄURE-WASCH-ZUSATZ FÜR EDELSTAHLOBERFLÄCHENOXIDBESCHICHTUNG, HERSTELLUNGSVERFAHREN UND SÄURE-WASCH-VERFAHREN

ADDITIF DE LAVAGE ACIDE DE REVÊTEMENT À BASE D'OXYDE SUR UNE SURFACE EN ACIER INOXYDABLE, PROCÉDÉ DE FABRICATION ET PROCÉDÉ DE LAVAGE ACIDE

(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: 22.06.2016 CN 201610459932
27.06.2016 CN 201610481632

(43) Date of publication of application:
15.08.2018 Bulletin 2018/33

(73) Proprietor: Shanxi ADD New Additive Technology Co., Ltd
Taiyuan, Shanxi 030006 (CN)

(72) Inventor:
  • LI, Wenjuan
    Shanxi 030006 (CN)

(74) Representative: Wilson Gunn 
Blackfriars House The Parsonage 5th Floor
Manchester M3 2JA
Manchester M3 2JA (GB)


(56) References cited: : 
WO-A1-2012/024680
CN-A- 101 135 056
CN-A- 104 195 580
CN-A- 105 908 197
US-A- 4 174 290
 CN-A- 101 135 056
CN-A- 102 766 880
CN-A- 105 297 045
JP-A- S5 610 396
   
       
    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).