Patent · US Expired

Skin lightening composition

US4136166A · kind A · utility

15Cited by

7References

3Claims

0Family size

Assignee

Helena Rubinstein Inc. · US

Inventors

Gabriel Barnett · New York, US
Nathan Gershaw · Commack, US
Jack Mausner · New York, US

Key dates

Filing date	Apr 18, 1977
Grant date	Jan 23, 1979
Priority date	—
Expiry date	Apr 18, 1997

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q19/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A skin lightener based on stabilized hydroquinone in a moisturizing base which also contains a sunscreen agent.

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