Patent · US Expired

Anhydrous stable retinol based cosmetic or pharmaceutical composition

US6015568A · kind A · utility

9Cited by
12References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 1996
Grant dateJan 18, 2000
Priority date—
Expiry dateApr 4, 2016

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/08
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Anhydrous, stable retinol-based cosmetic or pharmaceutical composition for the skin. This composition contains solubilized retinol in an organic solution which is liquid at ambient temperature and which is chosen from the group comprising: PA1 i) aliphatic fatty alcohols having a branched chain at C.sub.16 -C.sub.20, PA1 ii) saturated alcoxylated fatty alcohols having a straight or branched chain at C.sub.16 -C.sub.20, PA1 iii) the diesters of dicarboxylic esters at C.sub.6 -C.sub.14 and of isopropyl alcohol, and mixtures of these solvents. This composition is intended for the treatment of skin disorders, and of acne in particular.

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