Process for preparing uva-absorbing sunscreen metal complexes

The present invention relates to processes for preparing sunscreen complexes, and more particularly to sunscreen metal complexes, having enhanced UVA absorption. These complexes comprise a dibenzoylmethane UVA-absorbing sunscreen complexed to a cationic species, preferably a metal cation. These comp...

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Bibliographische Detailangaben
Hauptverfasser:	CRAIG STEVEN SLAVTCHEFF, GEORGE ENDEL DECKNER, JAMES NEAL MATHESON ET AL
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	The present invention relates to processes for preparing sunscreen complexes, and more particularly to sunscreen metal complexes, having enhanced UVA absorption. These complexes comprise a dibenzoylmethane UVA-absorbing sunscreen complexed to a cationic species, preferably a metal cation. These complexes are useful for protecting the skin from the harmful effects of ultraviolet radiation. This invention also relates to methods for preparing compositions containing these complexes.