The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7541478 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 02, 2009

Filed:

Mar. 01, 2005
Applicants:

Shogo Marui, Osaka, JP;

Masaki Ogino, Osaka, JP;

Hiroyuki Tawada, Osaka, JP;

Osamu Yabe, Osaka, JP;

Inventors:

Shogo Marui, Osaka, JP;

Masaki Ogino, Osaka, JP;

Hiroyuki Tawada, Osaka, JP;

Osamu Yabe, Osaka, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 311/02 (2006.01);
U.S. Cl.
CPC ...
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 Rand Rare 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.


Find Patent Forward Citations

Marui, Shogo. (2009). Coumarin derivative and use thereof (U.S. Patent No. 7541478). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7541478

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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