SILICA POWDER AND METHOD OF USING THE SAME

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EP 2 022 758 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:
	23.05.2012 Bulletin 2012/21

(45)	Mention of the grant of the patent:
	07.03.2012 Bulletin 2012/10

(21)	Application number: 07743181.5

(22)	Date of filing: 11.05.2007

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International Patent Classification (IPC):

C01B 33/18^(2006.01)
H01L 23/29^(2006.01)

C08K 3/36^(2006.01)
H01L 23/31^(2006.01)

(86)	International application number:
	PCT/JP2007/059746

(87)	International publication number:
	WO 2007/132771 (22.11.2007 Gazette 2007/47)

(54)	SILICA POWDER AND METHOD OF USING THE SAME SILICIUMDIOXIDPULVER UND VERFAHREN FÜR DESSEN VERWENDUNG POUDRE DE SILICE ET PROCÉDÉ D'UTILISATION ASSOCIÉ

(84)	Designated Contracting States:
	DE

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Priority:

12.05.2006 JP 2006133464

(43)	Date of publication of application:
	11.02.2009 Bulletin 2009/07

(73)	Proprietor: Denki Kagaku Kogyo Kabushiki Kaisha
	Tokyo 103-8338 (JP)

(72)	Inventors:
	NISHI, Yasuhisa Omuta-shi, Fukuoka 8368510 (JP) IWASA, Mitsuyoshi Omuta-shi, Fukuoka 8368510 (JP)

(74)	Representative: Vossius & Partner
	Siebertstrasse 4 81675 München 81675 München (DE)

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References cited: :

WO-A1-2005/061615
JP-A- 2001 158 614
JP-A- 2003 110 065
JP-A- 2005 306 923

WO-A1-2006/011662
JP-A- 2002 252 314
JP-A- 2004 059 343
US-B1- 6 365 269

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).