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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 RE47797 B1

PDFFull Text
Date of Patent:
Jan. 06, 2020

Filed:

Apr. 02, 2018

Intermediates for the preparation of analogs of halichondrin b

Applicant:

Eisai R&d Management Co., Ltd., Tokyo, JP;

Inventors:

Farid Benayoud, North Andover, MA (US);

Trevor Lee Calkins, Salem, WI (US);

Charles E. Chase, Londonderry, NH (US);

William Christ, Andover, MA (US);

Bryan M. Lewis, North Brunswick, NJ (US);

Matthew Schnaderbeck, Methuen, MA (US);

Marc Pesant, Saint-Colomban, CA;

Brian Austad, Tewksbury, MA (US);

Silvio Campagna, Dover, DE (US);

Yongbo Hu, Shanghai, CN;

Gordon Wilkie, Wayland, MA (US);

Xiaojie Zhu, Andover, MA (US);

Francis G. Fang, Andover, MA (US);

Assignee:

EISAI R&D MANAGEMENT CO., LTD., Tokyo, JP;

Attorney:

Clark & Elbing LLP

Primary Examiner:

Alan D Diamond

Int. Cl.
CPC ...
C07D 307/28 (2005.12); C07F 7/18 (2005.12); C07C 33/42 (2005.12); C07D 407/06 (2005.12); C07D 407/14 (2005.12); C07D 493/04 (2005.12); C07D 493/08 (2005.12); C07D 493/18 (2005.12); C07D 493/22 (2005.12); C07D 493/20 (2005.12); C07D 317/72 (2005.12); C07H 15/26 (2005.12); A61K 31/341 (2005.12); C07D 307/12 (2005.12); C07D 493/10 (2005.12); C07D 307/33 (2005.12);
U.S. Cl.
CPC ...
C07F 7/1804 (2012.12); A61K 31/341 (2012.12); C07C 33/423 (2012.12); C07D 307/12 (2012.12); C07D 307/28 (2012.12); C07D 307/33 (2012.12); C07D 317/72 (2012.12); C07D 407/06 (2012.12); C07D 407/14 (2012.12); C07D 493/04 (2012.12); C07D 493/08 (2012.12); C07D 493/10 (2012.12); C07D 493/18 (2012.12); C07D 493/20 (2012.12); C07D 493/22 (2012.12); C07F 7/188 (2012.12); C07H 15/26 (2012.12); Y02P 20/55 (2015.10);
Abstract

Intermediates and methods of their use in the synthesis of analogs of halichondrin B are provided.

Find Patent Forward Citations

Benayoud, Farid. (2020). Intermediates for the preparation of analogs of halichondrin b (U.S. Patent No. RE47797). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/RE47797

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

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