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Generated: October 23, 2018

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Details for Patent: 4,105,783

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Summary for Patent: 4,105,783
Title: Therapeutic treatment of dry skin
Abstract:Preventive as well as therapeutic treatment to alleviate the symptoms of disorders characterized by cracking, flaking or scaling of the skin consisting of the topical application of a lotion, cream or ointment containing one or more of the .alpha.- or .beta.-hydroxy acids or .alpha.-keto acids and esters thereof, their amides and their ammonium salts is disclosed. The compounds include free acid, amide and/or ammonium salt forms of citric acid, glycolic acid, glucoronic acid, galacturonic acid, glucuronolactone, gluconolactone, .alpha.-hydroxybutyric acid, .alpha.-hydroxyisobutyric acid, lactic acid, malic acid, mandelic acid, mucic acid, pyruvic acid, methyl pyruvate, ethyl pyruvate, .beta.-phenyllactic acid, .beta.-phenylpyruvic acid, saccharic acid, tartaric acid, tartronic acid, and .beta.-hydroxybutyric acid. The therapeutic composition may include one or more of the compounds present in the total amount of from one to twenty percent. Topical application to affected areas has been found to achieve amelioration of the dry skin.
Inventor(s): Yu; Ruey J. (Philadelphia, PA), Van Scott; Eugene J. (Rydal, PA)
Assignee:
Application Number:05/720,835
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation;

Drugs Protected by US Patent 4,105,783

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

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International Family Members for US Patent 4,105,783

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2858377 ➤ Sign Up
Australia 519802 ➤ Sign Up
Belgium 858404 ➤ Sign Up
Canada 1115211 ➤ Sign Up
Cyprus 1245 ➤ Sign Up
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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