DEHYDROCHLORINATION OF CHLORINATED REACTANTS TO PRODUCE 1,1,1,4,4,4-HEXAFLUORO-2-BUTYNE - Patent 2922809

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EP 2 922 809 A1

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(43)	Date of publication:
	30.09.2015 Bulletin 2015/40

(21)	Application number: 13776644.0

(22)	Date of filing: 27.09.2013

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International Patent Classification (IPC):

C07C 17/25^(2006.01)

C07C 21/22^(2006.01)

(86)	International application number:
	PCT/US2013/062080

(87)	International publication number:
	WO 2014/052695 (03.04.2014 Gazette 2014/14)

(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

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Priority:

28.09.2012 US 201261707231 P
28.09.2012 US 201261707220 P

(71)	Applicant: E. I. du Pont de Nemours and Company
	Wilmington, DE 19898 (US)

(72)	Inventors:
	PENG, Sheng Wilmington, Delaware 19707 (US) NAPPA, Mario, Joseph Newark, Delaware 19711 (US)

(74)	Representative: Heinemann, Monica et al
	Abitz & Partner Patentanwälte mbB Arabellastraße 17 81925 München 81925 München (DE)

(54)	DEHYDROCHLORINATION OF CHLORINATED REACTANTS TO PRODUCE 1,1,1,4,4,4-HEXAFLUORO-2-BUTYNE