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DE3571979D1 - 3(2h)pyridazinone, process for its preparation and anti-allergic agent containing it - Google Patents

3(2h)pyridazinone, process for its preparation and anti-allergic agent containing it

Info

Publication number
DE3571979D1
DE3571979D1 DE8585115655T DE3571979T DE3571979D1 DE 3571979 D1 DE3571979 D1 DE 3571979D1 DE 8585115655 T DE8585115655 T DE 8585115655T DE 3571979 T DE3571979 T DE 3571979T DE 3571979 D1 DE3571979 D1 DE 3571979D1
Authority
DE
Germany
Prior art keywords
pyridazinone
preparation
agent containing
allergic agent
allergic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8585115655T
Other languages
German (de)
Inventor
Motoo Mutsukado
Keizo Tanikawa
Ken-Ichi Shikada
Ryozo Sakoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Chemical Corp
Original Assignee
Nissan Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissan Chemical Corp filed Critical Nissan Chemical Corp
Application granted granted Critical
Publication of DE3571979D1 publication Critical patent/DE3571979D1/en
Expired legal-status Critical Current

Links

DE8585115655T 1984-12-10 1985-12-09 3(2h)pyridazinone, process for its preparation and anti-allergic agent containing it Expired DE3571979D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26034284 1984-12-10

Publications (1)

Publication Number Publication Date
DE3571979D1 true DE3571979D1 (en) 1989-09-07

Family

ID=17346644

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585115655T Expired DE3571979D1 (en) 1984-12-10 1985-12-09 3(2h)pyridazinone, process for its preparation and anti-allergic agent containing it

Country Status (2)

Country Link
AT (1) ATE45150T1 (en)
DE (1) DE3571979D1 (en)

Also Published As

Publication number Publication date
ATE45150T1 (en) 1989-08-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee