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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 9840485 B1

PDFFull Text
Expired
Date of Patent:
Dec. 12, 2017

Filed:

Sep. 27, 2016

Bisfuran dihalide, method for producing bisfuran dihalide, and method for producing bisfuran diacid, bisfuran diol or bisfuran diamine using bisfuran dihalide

Applicants:

Sekisui Chemical Co., Ltd., Osaka, JP;

Colorado State University Research Foundation, Fort Collins, CO (US);

Inventors:

Yuji Eguchi, Tsukuba, JP;

Eugene Y.-X. Chen, Fort Collins, CO (US);

Lu Wang, Fort Collins, CO (US);

Assignees:

SEKISUI CHEMICAL CO., LTD., Osaka, JP;

COLORADO STATE UNIVERSITY RESEARCH FOUNDATION, Fort Collins, CO (US);

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Samantha Shterengarts

Int. Cl.
CPC ...
C07D 307/36 (2006.01); C07D 307/68 (2006.01); C07D 307/42 (2006.01); C07D 405/06 (2006.01); C07D 307/52 (2006.01);
U.S. Cl.
CPC ...
C07D 307/36 (2013.01); C07D 307/42 (2013.01); C07D 307/52 (2013.01); C07D 307/68 (2013.01); C07D 405/06 (2013.01);
Abstract

A bisfuran dihalide having a structure represented by the following formula (1): wherein Ris a divalent hydrocarbon group represented by —CRR— (wherein each of Rand Rindependently represents a hydrogen atom or a monovalent hydrocarbon group, and Rand R3 may together form a cyclic structure), or a carbonyl group (—C(═O)—); and each X independently represents a halogen atom.

Find Patent Forward Citations

Eguchi, Yuji. (2017). Bisfuran dihalide, method for producing bisfuran dihalide, and method for producing bisfuran diacid, bisfuran diol or bisfuran diamine using bisfuran dihalide (U.S. Patent No. 9840485). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9840485

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

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