Patent · US Expired

Compositions and systems for the treatment of hyperpigmentation

US5932612A · kind A · utility

8Cited by
0References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 5, 1997
Grant dateAug 3, 1999
Priority date
Expiry dateAug 5, 2017

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.