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.:
Date of Patent:
Sep. 08, 2026
Filed:
Aug. 29, 2022
Eisai R&d Management Co., Ltd., Tokyo, JP;
Mitsuo Nagai, Kamisu, JP;
Takashi Fukuyama, Tsukuba, JP;
Yasuaki Kamada, Tokyo, JP;
Jun Niijima, Tsukuba, JP;
Hirofumi Kuroda, Kamisu, JP;
Yuki Karoji, Kamisu, JP;
Keiichi Murakami, Kamisu, JP;
Masayuki Omori, Kamisu, JP;
Yusuke Miyashita, Kamisu, JP;
Atsushi Kamada, Tsukuba, JP;
Masaaki Matsuda, Tsukuba, JP;
Eisai R&D Management Co., Ltd., Tokyo, JP;
Abstract
The invention provides a production process allowing more high-yield and efficient synthesis of key intermediates (compound (2i) or a salt thereof, and compound (1g)) for production of E7090, which is useful as an FGFR inhibitor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile