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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 11932616 B1

PDFFull Text
Date of Patent:
Mar. 19, 2024

Filed:

Apr. 30, 2019

Diels-alder ring-opening process

Applicant:

Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno, 's-Gravenhage, NL;

Inventors:

Marc Crockatt, 's-Hertogenbosch, NL;

Johan Urbanus, 's-Gravenhage, NL;

Assignee:

Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO, 's-Gravenhage, NL;

Attorney:

Hoffmann & Baron LLP

Primary Examiner:

Michael Barker

Assistant Examiner:

Jed A Kucharczk

Int. Cl.
CPC ...
C07D 307/89 (2006.01); C07C 51/087 (2006.01); C07C 67/30 (2006.01); C07C 253/30 (2006.01); C07D 209/48 (2006.01); C07D 307/88 (2006.01);
U.S. Cl.
CPC ...
C07D 307/89 (2013.01); C07C 51/087 (2013.01); C07C 67/30 (2013.01); C07C 253/30 (2013.01); C07D 209/48 (2013.01); C07D 307/88 (2013.01);
Abstract

The invention is directed to a process for the ring-opening of a cycloadduct obtainable from a reaction of a furanic compound and a diene, said process comprising contacting the cycloadduct with an acidic mixture comprising sulfuric acid and an activating agent to obtain a ring-opened product. The present invention is particularly directed a continuous process.

Find Patent Forward Citations

Crockatt, Marc. (2024). Diels-alder ring-opening process (U.S. Patent No. 11932616). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11932616

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

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