Patent · US Expired

Compositions and systems for the treatment of hyperpigmentation

US6057360A · kind A · utility

3Cited by
2References
25Claims
0Family size

Inventors

Key dates

Filing dateApr 5, 1999
Grant dateMay 2, 2000
Priority date
Expiry dateApr 5, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A novel skin lightening preparation and its method of use are described. The composition and method are characterized by reduced skin irritation, while providing skin lightening that is at least as effective as known over-the-counter preparations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.