Patent · US Expired

Topical compositions with a reversible photochromic ingredient

US6531118B1 · kind B1 · utility

116Cited by

10References

34Claims

0Family size

Assignee

Avon Products, Inc. · US

Inventors

Anthony D. Gonzalez · Waldwick, US
Andrew H. Pechko · Ridgewood, US
Robert Kalafsky · Ogdensburg, US

Key dates

Filing date	Dec 11, 2001
Grant date	Mar 11, 2003
Priority date	—
Expiry date	Dec 11, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q17/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

There are provided topical compositions having reversible visible change in color in response to change in light. The compositions comprise color changing capability provided by photochromic material and a vehicle acceptable for topical application to the skin or hair.

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