Patent · US Expired

Use of mixtures of micropigments for preventing tanning and for lightening skin and hair

US6495122B2 · kind B2 · utility

11Cited by

7References

31Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Peter Fankhauser · Onex, CH
Helmut Luther · Weil am Rhein, DE
Werner Baschong · Basel, CH

Key dates

Filing date	Feb 4, 2002
Grant date	Dec 17, 2002
Priority date	—
Expiry date	Feb 4, 2022

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/57
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention describes the use of micronized organic UV filters for preventing tanning and for lightening human skin and hair, and their use in cosmetic and pharmaceutical formulations.The micronized UV filters used according to the invention cover a broad UV spectrum and therefore have excellent sunscreen properties.

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