HETEROPOLYACID CATALYST FOR PRODUCING LOWER ALIPHATIC CARBOXYLIC ACID ESTER - Patent 1324825

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EP 1 324 825 A2

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(88)	Date of publication A3:
	11.07.2002

(43)	Date of publication:
	09.07.2003 Bulletin 2003/28

(21)	Application number: 01963447.6

(22)	Date of filing: 05.09.2001

(51)	International Patent Classification (IPC)⁷: B01J 27/188, C07C 67/08

(86)	International application number:
	PCT/JP0107/708

(87)	International publication number:
	WO 0202/0157 (14.03.2002 Gazette 2002/11)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

07.09.2000 JP 2000271415
10.10.2000 US 238436 P

(71)	Applicant: SHOWA DENKO K.K.
	Tokyo 105-8518 (JP)

(72)	Inventors:
	FUJITA, Ayumu Oita-shiOita 870-0189 (JP) KADOWAKI, Etsuko Oita-shiOita 870-0189 (JP) HIGASHI, Tomoyoshi Oita-shiOita 870-0189 (JP) UCHIDA, Hiroshi Oita-shiOita 870-0189 (JP)

(74)	Representative: Strehl Schübel-Hopf & Partner
	Maximilianstrasse 54 80538 München 80538 München (DE)

(54)	HETEROPOLYACID CATALYST FOR PRODUCING LOWER ALIPHATIC CARBOXYLIC ACID ESTER