US 12,180,143 B1Granted

8-((4-hydroxy-3-methoxyphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound

AssigneeKing Faisal University

InventorsHany Mohamed Abd El-Lateef Ahmed, Mai Mostafa Khalaf Ali, Antar Ahmed Abdelhamid Ahmed, Amer A. Amer

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An 8-((4-hydroxy-3-methoxyphenyl)diazenyl) naphthalene-1,3-disulfonic acid compound, its synthesis, and its use as an antioxidant agent.

Dependent claims

An 8-((4-hydroxy-3-methoxyphenyl)diazenyl) naphthalene-1,3-disulfonic acid compound having the formula I:

Dependencies are inferred from the claim text.

C07C 309/47
Containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton: having at least one of the sulfo groups bound…
A61K 31/655
Medicinal preparations containing organic active ingredients: azo , diazo , azoxy , azido or diazoamino compounds
A61P 39/06
General protective or antinoxious agents: free radical scavengers or antioxidants
C07C 303/22
Of sulfonic acids or halides thereof: from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic…

From the US filing history. Foreign family members aren’t listed.

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