ULTRAVIOLET ABSORBING COMPOUNDS AND FORMULATIONS INCLUDING SAME

Improved substantive ultraviolet absorbing compound, and a sunscreen or sunblock formulation including such a compound, characterized by an ultraviolet absorbing agent having an acid group, in combination with a fatty amine. The acid-containing ultraviolet absorbing agents are selected from the grou...

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Bibliographische Detailangaben
1. Verfasser:	ARTHUR C.W. GEORGALAS
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES HUMAN NECESSITIES HYGIENE MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	Improved substantive ultraviolet absorbing compound, and a sunscreen or sunblock formulation including such a compound, characterized by an ultraviolet absorbing agent having an acid group, in combination with a fatty amine. The acid-containing ultraviolet absorbing agents are selected from the groups consisting of UV-A absorbing agents including sulisobenzone and thioctic acid, and UV-B absorbing agents including 2-phenylbenzimidazole-5-sulfonic acid, salicylic acid, methoxycinnamic acid, cinnamic acid and ferrulic acid. The fatty amine is selected from the group consisting of lauramidopropyl dimethylamine, oleamidopropyl dimethylamine, ricinoleamidopropyl dimethylamine, stearamidoethyl ethanolamine, stearamidoethyl diethylamine, cocoyl imidazoline, and alkyldimethylamine. The resulting improved ultraviolet absorbing compound and formulations into which it is incorporated have enchanced substantivity and thereby greater water resistance.