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Patent Application for Furan Derivative Oxidation Process

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Summary

The USPTO has published a patent application (US20260085052A1) detailing a new process for producing 2,5-furandicarboxylic acid. The application, filed by David Lee Sikkenga and Jan Hendrik Blank, describes a specific oxidation method involving furan derivatives, oxidants, solvents, and catalysts.

Published by USPTO on changeflow.com . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

What changed

This document is a patent application, not a regulatory rule or guidance. It describes a novel process for producing 2,5-furandicarboxylic acid, a chemical intermediate. The application details specific steps including contacting a furan derivative with an oxidant and solvent in the presence of a catalyst, followed by a post-oxidation step with an added oxidizable compound. The invention specifies the types of oxidizable compounds that can be used, such as tetrahydrofuran containing compounds or alcohols.

As this is a patent application, it does not impose direct compliance obligations on regulated entities. However, companies involved in chemical manufacturing, particularly those producing or utilizing furan derivatives, may find this process relevant for intellectual property considerations or potential adoption in their operations. The application is currently in a draft stage, and its eventual grant could impact the competitive landscape for this specific chemical synthesis.

Archived snapshot

Mar 26, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Applications

OXIDATION OF FURAN DERIVATIVE

Application US20260085052A1 Kind: A1 Mar 26, 2026

Inventors

David Lee Sikkenga, Jan Hendrik Blank

Abstract

Process for producing 2,5-furandicarboxylic acid includes (i) contacting in an oxidation unit a furan derivative with oxidant and solvent in the presence of a catalyst system to obtain intermediate product including 2,5-furandicarboxylic acid, (ii) contacting in a post-oxidation unit the intermediate product with oxidant to which post-oxidation unit oxidizable compound is added thereby obtaining crude product, and (iii) separating the crude product into 2,5-furandicarboxylic acid and mother liquor containing solvent where the oxidizable compound is selected from tetrahydrofuran containing compounds having from 4 to 10 carbon atoms and alcohols having from 2 to 8 carbon atoms and mixtures thereof.

CPC Classifications

C07D 307/46

Filing Date

2023-09-22

Application No.

19110145

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Named provisions

OXIDATION OF FURAN DERIVATIVE

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Last updated

Classification

Agency
USPTO
Instrument
Notice
Legal weight
Non-binding
Stage
Draft
Change scope
Minor
Document ID
US20260085052A1

Who this affects

Applies to
Manufacturers
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Chemical Manufacturing
Geographic scope
United States US

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Topics
Chemical Manufacturing Intellectual Property

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