Last Updated: September 24, 2026

Details for Patent: 5,954,703

Name: Drug Patent Intelligence for US Patent 5954703
Creator: DrugPatentWatch
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Summary for Patent: 5,954,703

Title:	Method and apparatus for applying 5-aminolevulinic acid
Abstract:	A method and apparatus for storing, mixing and applying ALA as a treatment for lesions. The apparatus comprises a deformable container enclosing a hermetically sealed compartment of essentially anhydrous ALA which is shielded from exposure to air and moisture, and a liquid diluent. The liquid diluent may be in a second compartment. The deformable container is squeezed to crush the compartments and mix the essentially anhydrous ALA with the liquid diluent. The ALA may be delivered from the deformable container through a point applicator for controlling and precisely directing the application during treatment.
Inventor(s):	Allyn Golub
Assignee:	Dusa Pharmaceuticals Inc Canada , Dusa Pharmaceuticals Inc
Application Number:	US08/962,294
Patent Claim Types: see list of patent claims	Use; Formulation; Device;

Drugs Protected by US Patent 5,954,703

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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
>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 5,954,703

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	272422	⤷ Start Trial
Australia	1278399	⤷ Start Trial
Australia	738070	⤷ Start Trial
Brazil	9813887	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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