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Details for Patent: 5,079,262

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Summary for Patent: 5,079,262

Title: Method of detection and treatment of malignant and non-malignant lesions utilizing 5-aminolevulinic acid
Abstract:A method of detecting and treating malignant and non-malignant tissue abnormalities and lesions of the skin, conjunctives, respiratory, digestive and vaginal mucosa; endometrium and urothelium in which 5-aminolevulinic acid is administered to the patient in an amount sufficient to induce synthesis of protoporphyrin IX in the leisons, followed by exposure of the treated lesion to a photoactivating light in the range 350-640 nm.
Inventor(s): Kennedy; James C. (Kingston, CA), Pottier; Roy H. (Kingston, CA), Reid; Robert L. (Kingston, CA)
Assignee: Queen's University at Kingston (Kingston, CA)
Application Number:07/386,414
Patent Claim Types:
see list of patent claims
Use; Delivery;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Dusa
LEVULAN
aminolevulinic acid hydrochloride
SOLUTION;TOPICAL020965Dec 3, 1999RXYes5,079,262<disabled>TREATMENT OF NON-HYPERKERATOTIC ACTINIC KERATOSES OF FACE AND SCALP
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Patent activity for: 5,079,262

Ex parte reexamination
Filing: 5,079,262, Reexam. C.N. 90/010,377, Requested Date: Jan. 05, 2009, Cl. 514/561, Title: METHOD OF DETECTION AND TREATMENT OF MALIGNANT AND NON-MALIGNANT LESIONS UTILIZING 5-AMINOLEVULINIC ACID, Inventor: James C. Kennedy et al., Owners of Record: Queen's University at Kingston, Canada, Attorney or Agent: Queen's University, Canada, Ex. Gp.: 3991, Requester: Patent Owner
Ex parte reexamination
Filing: 5,079,262, Reexam. C.N. 90/010,377, Requested Date: Jan. 05, 2009, Cl. 514/561, Title: METHOD OF DETECTION AND TREATMENT OF MALIGNANT AND NON-MALIGNANT LESIONS UTILIZING 5-AMINOLEVULINIC ACID, Inventor: James C. Kennedy et al., Owners of Record: Queen's University at Kingston, Canada, Attorney or Agent: Queen's University, Canada, Ex. Gp.: 3991, Requester: Patent Owner

International Patent Family for Patent: 5,079,262

Country Document Number Publication Date
World Intellectual Property Organization (WIPO)9101727Feb 21, 1991
World Intellectual Property Organization (WIPO)9320810Oct 28, 1993
World Intellectual Property Organization (WIPO)9639188Dec 12, 1996
United States of America2008312325Dec 18, 2008
United States of America5422093Jun 06, 1995
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