Patent · US Expired

Oil-in-water emulsions for reconstituting lamellarity of the lipid structure of damaged skin

US6379681B1 · kind B1 · utility

4Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 2000
Grant dateApr 30, 2002
Priority date
Expiry dateJan 13, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to a skin lightening composition comprising (a) a safe and effective amount of a compound of formula (I): wherein Z is Oxygen or Sulfur, (b) an average polarity solvent, (c) a polyhydric alcohol, (d) a solid fatty alcohol, (e) a nonionic surfactant, (f) water, and (g) lecithin wherein at least a portion of the above components (a), (b), (c), (d), (e), (f) and (g) forms a liquid crystal.

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