ELECTROCHEMICAL METHOD FOR PREPARING VANILLIN OR ITS DERIVATIVES - Patent 4065543

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EP 4 065 543 A1

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(43)	Date of publication:
	05.10.2022 Bulletin 2022/40

(21)	Application number: 19954123.6

(22)	Date of filing: 25.11.2019

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International Patent Classification (IPC):

C07C 47/58^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	C25B 3/07; C25B 3/20

(86)	International application number:
	PCT/CN2019/120513

(87)	International publication number:
	WO 2021/102613 (03.06.2021 Gazette 2021/22)

(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
	Designated Validation States:
	KH MA MD TN

(71)	Applicant: RHODIA OPERATIONS
	69003 Lyon (FR)

(72)	Inventors:
	SCHWIEDERNOCH, Renate Shanghai 201108 (CN) STREIFF, Stephane 75009 Paris (FR) METIVIER, Pascal 75009 Paris (FR) HORBEZ, Dominique 75009 Paris (FR)

(74)	Representative: Delenne, Marc
	Rhodia Opérations Intellectual Assets Management 52 rue de la Haie Coq 93306 Aubervilliers Cedex 93306 Aubervilliers Cedex (FR)

(54)	ELECTROCHEMICAL METHOD FOR PREPARING VANILLIN OR ITS DERIVATIVES