Patent · US Expired

Use of guaiol for treating the skin

US7425320B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Werner Baschong · Basel, CH
Gerd Heinemann · Schliengen, DE
Dietmar Ochs · Schopfheim, DE

Key dates

Filing date	Sep 10, 2002
Grant date	Sep 16, 2008
Priority date	—
Expiry date	Nov 18, 2023

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q19/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The use is described of compositions comprising (a) (−)-guaiol, (b) further skin-lightening active substance(s) and, optionally, (c) one or more UV-A and/or UV-B absorbers as melanogenesis inhibitors and for skin-lightening.

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