Heteroaryl-thio-substituted pyrones

US12091602B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12091602-B2
Application numberUS-202117504307-A
CountryUS
Kind codeB2
Filing dateOct 18, 2021
Priority dateOct 21, 2020
Publication dateSep 17, 2024
Grant dateSep 17, 2024

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A heteroaryl-thio-substituted pyrone compound that is a heteroaryl-thio-substituted pyrone or a heteroaryl-thio-substituted coumarin. In various embodiments, the heteroaryl-thio-substituted pyrone compound or a reaction product thereof is a metal corrosion inhibitor.

First claim

Opening claim text (preview).

What is claimed is: 1. A heteroaryl-thio-substituted coumarin compound that is a heteroaryl-thio-substituted coumarin, wherein the heteroaryl-thio-substituted coumarin compound has a structure selected from the group consisting of: 2. The compound of claim 1 , wherein the heteroaryl-thio-substituted coumarin compound is at least 90 wt % pure. 3. A corrosion inhibition composition comprising the compound of claim 1 , wherein the corrosion inhibition composition inhibits corrosion of a metal. 4. The composition of claim 3 , wherein the composition is an aqueous composition comprising acid. 5. A method of forming the compound of claim 1 , the method comprising: reacting bromine-substituted coumarin with a heteroaryl-thiol to form the heteroaryl-thio-substituted heteroaryl-thio-substituted coumarin of claim 1 . 6. The compound of claim 1 , wherein the heteroaryl-thio-substituted coumarin compound has the structure: 7. The compound of claim 1 , wherein the heteroaryl-thio-substituted coumarin compound has the structure: 8. The compound of claim 1 , wherein the heteroaryl-thio-substituted coumarin compound has the structure: 9. The compound of claim 1 , wherein the heteroaryl-thio-substituted coumarin compound has the structure:

Assignees

Inventors

Classifications

  • Oxygen or sulfur atoms · CPC title

  • Sulfur atoms · CPC title

  • Sulfur atoms · CPC title

  • Sulfur atoms · CPC title

  • with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical · CPC title

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What does patent US12091602B2 cover?
A heteroaryl-thio-substituted pyrone compound that is a heteroaryl-thio-substituted pyrone or a heteroaryl-thio-substituted coumarin. In various embodiments, the heteroaryl-thio-substituted pyrone compound or a reaction product thereof is a metal corrosion inhibitor.
Who is the assignee on this patent?
Univ Iowa State Res Found Inc
What technology area does this patent fall under?
Primary CPC classification C09D5/086. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Sep 17 2024 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).