Skin lightening agents, compositions and methods

US6875425B2 · kind B2 · utility

Assignee

• Unilever Home & Personal Care USA · US

Inventors

• Bijan Harichian · Brookfield, US
• Michael James Barratt · Oak Ridge, US
• Carol Annette Bosko · Oradell, US
• Michael Tallman · Park Ridge, US

Key dates

• Filing date: Dec 12, 2002
• Grant date: Apr 5, 2005
• Expiry date: May 14, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q19/02
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Cosmetic compositions and methods of skin lightening using compounds of formula I as skin lightening agents: Wherein X represents Carbon, Nitrogen, Sulfur or Oxygen;