ADDITIVE FOR ALKALINE ETCHING SOLUTIONS, IN PARTICULAR FOR TEXTURE ETCHING SOLUTIONS, AND PROCESS FOR PRODUCING IT - Patent 2470619

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EP 2 470 619 A1

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(43)	Date of publication:
	04.07.2012 Bulletin 2012/27

(21)	Application number: 11727757.4

(22)	Date of filing: 27.04.2011

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International Patent Classification (IPC):

C09K 13/02^(2006.01)

H01L 31/0236^(2006.01)

(86)	International application number:
	PCT/IB2011/000900

(87)	International publication number:
	WO 2011/135435 (03.11.2011 Gazette 2011/44)

(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:

30.04.2010 DE 102010019079

(71)	Applicant: GP Solar GmbH
	78467 Konstanz (DE)

(72)	Inventors:
	KRÜMBERG, Jens 78467 Konstanz (DE) MELNYK, Ihor 78465 Konstanz (DE) MICHEL, Michael 10963 Berlin (DE) SCHMIDT, Michael 78465 Konstanz (DE)

(74)	Representative: Geiger, Patric
	Heyerhoff & Geiger Patentanwälte Heiligenbreite 52 DE-88662 Überlingen DE-88662 Überlingen (DE)

(54)	ADDITIVE FOR ALKALINE ETCHING SOLUTIONS, IN PARTICULAR FOR TEXTURE ETCHING SOLUTIONS, AND PROCESS FOR PRODUCING IT