Last Updated: November 8, 2026

Details for Patent: 7,838,564

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Which drugs does patent 7,838,564 protect, and when does it expire?

Patent 7,838,564 protects VALCHLOR and is included in one NDA.

This patent has fifty patent family members in twenty countries.

Summary for Patent: 7,838,564
Title:Stabilized compositions of volatile alkylating agents and methods of using thereof
Abstract:A composition and method for treatment of cancer. The composition for treating a skin disorder, comprising: a Nitrogen Mustard or an HX salt of the Nitrogen Mustard, wherein the Nitrogen Mustard or the HX salt of the Nitrogen Mustard is in a non-aqueous vehicle or carrier that does not include petrolatum or ethanol, wherein the non-aqueous vehicle or carrier that does not include petrolatum or ethanol does not include petrolatum or ethanol. The method comprises topically applying the composition of a Nitrogen Mustard or a HX salt of the Nitrogen Mustard to the affected skin, wherein the Nitrogen Mustard or the HX salt of the Nitrogen Mustard is in a non-aqueous vehicle or carrier that does not include petrolatum or ethanol, wherein the non-aqueous vehicle or carrier does not include petrolatum or ethanol.
Inventor(s):Robert Alonso, Peter A. Crooks, Mark A. Pimley, Abeer M. Al-Ghananeem
Assignee: Helsinn Birex Pharmaceuticals Ltd
Application Number:US12/549,258
Patent Claim Types:
see list of patent claims
Composition; Compound;

Drugs Protected by US Patent 7,838,564

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Helsinn VALCHLOR mechlorethamine hydrochloride GEL;TOPICAL 202317-001 Aug 23, 2013 RX Yes Yes 7,838,564 ⤷  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 7,838,564

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1858864 ⤷  Start Trial PA2017026 Lithuania ⤷  Start Trial
European Patent Office 1858864 ⤷  Start Trial CR 2017 00033 Denmark ⤷  Start Trial
European Patent Office 1858864 ⤷  Start Trial 300888 Netherlands ⤷  Start Trial
European Patent Office 1858864 ⤷  Start Trial 122017000059 Germany ⤷  Start Trial
European Patent Office 1858864 ⤷  Start Trial 36/2017 Austria ⤷  Start Trial
European Patent Office 1858864 ⤷  Start Trial LUC00033 Luxembourg ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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