The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 2002
Filed:
May. 04, 1999
Junji Kawato, Shiga, JP;
Ananthanarayan Venkateswaran, Kobe, JP;
Children's Hospital Medical Center, Cincinnati, OH (US);
Abstract
Disclosed is a skin lightening composition comprising a) a safe and effective amount of at least one water soluble reducing agent selected from the group consisting of sodium sulfite, potassium sulfite, sodium hydrogen sulfite, potassium, hydrogen sulfite, sodium, metasulfite, potassium metasulfite, ammonium sulfite, ammonium hydrogen sulfite, formic acid, oxalic acid and mixtures thereof and b) cosmetically acceptable carrier for the water soluble reducing agent wherein the composition is substantially free of hydroquinone or its derivatives. Also disclosed is a method for skin lightening in mammals comprising topically applying to the skin the above composition.
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