Last Updated: September 24, 2026

Details for Patent: 12,409,156

Name: Drug Patent Intelligence for US Patent 12409156
Creator: DrugPatentWatch
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Which drugs does patent 12,409,156 protect, and when does it expire?

Patent 12,409,156 protects XROMI and is included in one NDA.

This patent has nine patent family members in seven countries.

Summary for Patent: 12,409,156

Title:	Stable aqueous hydroxycarbamide solution
Abstract:	The present invention provides a stable aqueous hydroxycarbamide solution comprising: hydroxycarbamide; a pH adjuster being sodium hydroxide, potassium hydroxide, sodium bicarbonate, and sodium carbonate, or a mixture of one or more of these substances; and optionally a preservative being a base of methyl hydroxybenzoate and/or ethyl hydroxybenzoate; wherein: the solution is controlled to have a pH of between 6.1 and 7.1. The solution of the present invention is beneficial as compared to solutions according to the prior art in that it can be safely stored at ambient temperatures for prolonged periods of time without significant degradation.
Inventor(s):	Khunal Bhavsar, Michael Edge, Claire Hodkinson, Kelly Grant, Hussain Mulla, Peter White
Assignee:	Nova Laboratories , NOVA LABORATORIES Ltd
Application Number:	US17/055,332
Patent Claim Types: see list of patent claims	Use; Formulation; Compound;

Drugs Protected by US Patent 12,409,156

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Nova Labs Ltd	XROMI	hydroxyurea	SOLUTION;ORAL	216593-001	Apr 4, 2024		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 12,409,156

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2019269123	⤷ Start Trial
European Patent Office	3644967	⤷ Start Trial
European Patent Office	4434580	⤷ Start Trial
Spain	2992016	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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