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:
Aug. 11, 2020
Filed:
Aug. 18, 2017
Applicant:
Nitto Belgium NV, Ghent, BE;
Inventors:
Greet Bossaert, Genk, BE;
Charly Hoebers, Genk, BE;
Bart Forier, Genk, BE;
Fergal Byrne, Celbridge, IE;
Andrew John Hunt, Osbaldwick, GB;
Thomas James Farmer, Heslington, GB;
James Hanley Clark, York, GB;
Assignee:
Nitto Belgium B.V., Genk, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/06 (2006.01);
U.S. Cl.
CPC ...
C07D 307/06 (2013.01);
Abstract
A process for the preparation of 2,2,5,5-tetramethyltetrahydrofuran (TMTHF) includes contacting a TMTHF precursor with a solid catalyst, where the TMTHF precursor is 2,5-dimethylhexane-2,5-diol and/or 2,5-dimethyl-4-hexen-2-ol, and where the solid catalyst is a beta zeolite. TMTHF produced by the process may be used as a solvent.