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Details for Patent: 5,954,703

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Patent 5,954,703 protects LEVULAN and is included in one NDA.

This patent has fifteen patent family members in sixteen countries.

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): Golub; Allyn (Miramar, FL)
Assignee: Dusa Pharmaceuticals, Inc. (Ontario, CA)
Application Number:08/962,294
Patent Claim Types:
see list of patent claims
Use; Delivery; Device; Formulation;
Patent Metrics:
Source: PatentQuant.com
Field: Medical technology
Back Citations: 15th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
aminolevulinic acid hydrochloride
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International Patent Family for Patent: 5,954,703

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria272422► subscribe
Australia1278399► subscribe
Australia738070► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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