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:
Nov. 25, 2025
Filed:
Oct. 05, 2020
Applicant:
Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno, 's-Gravenhage, NL;
Inventors:
Marc Crockatt, 's-Hertogenbosch, NL;
Jan Comelis Van Der Waal, Delft, NL;
Johan Urbanus, 's-Gravenhage, NL;
Assignee:
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO, 'S-Gravenhage, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/087 (2006.01); C07C 63/15 (2006.01);
U.S. Cl.
CPC ...
C07C 51/087 (2013.01); C07C 63/15 (2013.01);
Abstract
A process for the preparation of an aromatic product is disclosed which includes a step b) of contacting one or more intermediate compounds with a further acid to form the aromatic product. The intermediate compounds can be obtained in step a) that includes contacting a 7-oxabicyclo[2.2.1]hept-2-ene core structure with an acidic mixture. The amount of acid in step b) is higher than the amount of acid in step a).