(19)
(11) EP 3 714 013 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:
14.02.2024 Bulletin 2024/07

(45) Mention of the grant of the patent:
27.12.2023 Bulletin 2023/52

(21) Application number: 18879392.1

(22) Date of filing: 25.10.2018
(51) International Patent Classification (IPC): 
C09G 1/02(2006.01)
C09K 3/14(2006.01)
B24B 37/04(2012.01)
 C09G 1/04(2006.01)
H01L 21/306(2006.01)
G11B 5/84(2006.01)
(52) Cooperative Patent Classification (CPC):
C09G 1/02; G11B 5/8404; B24B 37/044; C09K 3/1463
(86) International application number:
PCT/US2018/057478
(87) International publication number:
WO 2019/099161 (23.05.2019 Gazette 2019/21)

(54)

COMPOSITION AND METHOD FOR POLISHING MEMORY HARD DISKS EXHIBITING REDUCED SURFACE SCRATCHING

ZUSAMMENSETZUNG UND VERFAHREN ZUM POLIEREN VON SPEICHERFESTPLATTEN MIT REDUZIERTEN OBERFLÄCHENKRATZERN

COMPOSITION ET PROCÉDÉ DE POLISSAGE D'UNITÉS DE DISQUES DURS À MÉMOIRE PRÉSENTANT UNE SURFACE RÉDUITE DE RAYURE

(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: 20.11.2017 US 201715817959

(43) Date of publication of application:
30.09.2020 Bulletin 2020/40

(73) Proprietor: CMC Marerials LLC
Wilmington DE 19801 (US)

(72) Inventor:
  • ZHANG, Ke
    Aurora, Illinois 60504 (US)

(74) Representative: Barker Brettell LLP 
100 Hagley Road Edgbaston
Birmingham B16 8QQ
Birmingham B16 8QQ (GB)


(56) References cited: : 
EP-A1- 1 445 796
US-A1- 2006 060 568
US-A1- 2011 062 376
US-A1- 2015 259 804
 US-A1- 2002 102 923
US-A1- 2009 094 901
US-A1- 2013 146 804
US-A1- 2015 315 417
   
       
    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).