Patent · US Expired

UV radiation reflecting or absorbing agents, protecting against harmful UV radiation and reinforcing the natural skin barrier

US6814959B1 · kind B1 · utility

27Cited by

3References

41Claims

0Family size

Assignee

PHARMASOL GMBH · DE

Inventors

Rainer Muller · Penzberg, DE
Sylvia Wissing · Berlin, DE
Karsten Mader · Berlin, DE

Key dates

Filing date	Apr 8, 2002
Grant date	Nov 9, 2004
Priority date	—
Expiry date	Apr 8, 2022

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/56
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to agents with UV radiation-absorbing and/or reflecting action comprising solid, polymorphic, crystal-line or partially crystalline lipid and/or polymer particles, for application to the skin, mucous membranes, scalp, and hair for protection against health-damaging UV radiation and for strengthening the natural skin barrier.

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