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LT - Process for the preparation of olopatadine

EN - Process for the preparation of olopatadine

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Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.	C07D 313/12	(2006.01)
		C07B 61/00	(2006.01)

European patent
(11)	Number of the document	2181989
(13)	Kind of document	T
(96)	European patent application number	09016128.2
	Date of filing the European patent application	2007-09-27
(97)	Date of publication of the European application	2010-05-05
(45)	Date of publication and mention of the grant of the patent	2013-05-22
(46)	Date of publication of the claims translation

Priority applications
(30)	Number	Date	Country code
	2006271311	2006-10-02	JP

Inventors
(72)	Katsura, Tadashi, JP Hayashi, Taketo, JP Tanaka, Masahide, JP

Grantee
(73)	SUMITOMO CHEMICAL COMPANY, LTD., Tokyo 104-8260, JP

Title
(54)	Process for the preparation of olopatadine
	Process for the preparation of olopatadine