Patent · US Expired

Sun filter microcapsules

US5455048A · kind A · utility

47Cited by

5References

13Claims

0Family size

Assignee

Roussel Uclaf · FR

Inventors

Paul Lahmani · Tours, FR
Lise Simoneau-Agopian · Marseille, FR

Key dates

Filing date	Apr 16, 1992
Grant date	Oct 3, 1995
Priority date	—
Expiry date	Apr 16, 2012

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/412
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Microcapsules containing at least one sun filter having been hardened so as to be impervious with a size of 1 to 1250 micrometers whereby the sun filters do not come in contact with the skin.

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