Coumarin derivative and use thereof

Details Coumarin derivative and use thereof Coumarin derivative and use thereof

2005-03-01

2009-06-02

Seaman, D. Margaret (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S285000, C549S288000

Reexamination Certificate

active

07541478

ABSTRACT:
The present invention relates to an alkaline earth metal salt or an organic amine salt of a compound represented by the formula [I]: wherein R1and R2are each a hydrogen atom, a halogen atom, or an optionally substituted linear hydrocarbon group; ring A is an optionally further substituted benzene ring; B is an optionally substituted benzene ring; R is a carboxyl group or a linear hydrocarbon group substituted with a carboxyl group and the like.

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International Search Report for PCT/JP2005/003838.
International Preliminary Report on Patentability for PCT/JP2005/003838.

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