Skin lightening compositions

• US 8,992,897 B2
• Filed: 10/19/2012
• Issued: 03/31/2015
• Est. Priority Date: 01/06/2010
• Status: Active Grant

• Current Assignee: ELC Management LLC (The Estee Lauder Companies Inc.)
• Original Assignee: ELC Management LLC (The Estee Lauder Companies Inc.)
• Inventors: Niki, Yoko, Yoshida, Masaki, Ichihashi, Masamitsu, Ando, Hideya, Yarosh, Daniel B., Matsui, Mary S.
• Primary Examiner(s): VENKAT, JYOTHSNA A
• Application Number:
  US13/656,258
• Publication Number:
  US 20140112877A1
• Time in Patent Office: 893 Days
• US Class Current: 424/62
• CPC Class Codes: A61K 2800/782 Enzyme inhibitors; Enzyme antagonists
• CPC Class Codes: A61K 8/4946 Imidazoles or their condensed derivatives, e.g. benzimidazoles
• CPC Class Codes: A61Q 19/02 for chemically bleaching or whitening the skin

Abstract

Compositions and methods for lightening and/or depigmenting skin are provided, the compositions comprising compounds having the structure:

• • or having the structure:

• • as defined herein.

Claims

1. A method of lightening or depigmenting the skin, comprising topically applying to skin in need of such treatment a topically applicable composition for lightening or depigmenting skin, comprising from about 0.00005% to about 0.5% of omeprazole or omeprazole sulfide and a chemical or physical sunscreen agent.