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:
Oct. 20, 2026
Filed:
Dec. 21, 2021
Furanix Technologies B.v., Amsterdam, NL;
Uitslag Tom John, Amsterdam, NL;
Aberson Rene, Amsterdam, NL;
Furanix Technologies B.V., Amsterdam, NL;
Abstract
A process for producing a polyester having 2,5-furandicarboxylate units, which process includes: a) providing or producing a starting composition including 2,5-furandicarboxylic acid or a diester thereof and an aliphatic diol, b) subjecting the starting composition to esterification conditions to produce an ester composition, and c) contacting the ester composition with an aluminum containing catalyst and a phosphorous compound at polycondensation conditions to produce a polyester comprising 2,5-furandicarboxylate units, where the phosphorous compound includes one or more compounds of phosphoric acid based compounds that include an aromatic moiety.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile