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US-2016293985-A1 · Oct 6, 2016 · US
Electrochemical oxidation of aromatic aldehydes in acidic media
US11473205B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11473205-B2 |
| Application number | US-202117474286-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 14, 2021 |
| Priority date | Oct 9, 2017 |
| Publication date | Oct 18, 2022 |
| Grant date | Oct 18, 2022 |
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Abstract
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Methods for electrochemically oxidizing aromatic aldehydes, such as furfural and furfural derivatives, to carboxylic acids in acidic solutions are provided. Also provided are electrochemical cells for carrying out the oxidation reactions. The electrochemical oxidations may be conducted in aqueous media at ambient pressure and mild temperatures.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for the electrochemical oxidation of furfural in an electrochemical cell comprising: an anode comprising manganese oxide in an anode electrolyte solution; and a cathode in a cathode electrolyte solution, wherein the anode electrolyte solution comprises the furfural and has a pH lower than 7, the method comprising: applying an anode potential to the anode that induces the electrochemical oxidation of the furfural to maleic acid. 2. The method of claim 1 , wherein the maleic acid is formed with a product yield of at least 20%. 3. The method of claim 1 , wherein the maleic acid is formed with a product yield of at least 30%. 4. The method of claim 1 , wherein the maleic acid is formed with a product yield in the range from 20% to 40%.
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Classifications
Electrodes comprising electrocatalysts supported on a carrier · CPC title
- C25B3/23Primary
Oxidation (halogenation C25B3/27) · CPC title
characterised by the material · CPC title
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- What does patent US11473205B2 cover?
- Methods for electrochemically oxidizing aromatic aldehydes, such as furfural and furfural derivatives, to carboxylic acids in acidic solutions are provided. Also provided are electrochemical cells for carrying out the oxidation reactions. The electrochemical oxidations may be conducted in aqueous media at ambient pressure and mild temperatures.
- Who is the assignee on this patent?
- Wisconsin Alumni Res Found
- What technology area does this patent fall under?
- Primary CPC classification C25B3/23. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Oct 18 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).