
{"publication_number": "US-2005025727-A1", "abstract": "the present invention relates to photostable compositions that provide protection from ultraviolet radiation . the invention particularly relates to the sunscreens avobenzone , octocrylene and oxybenzone , forming a triplet sunscreen combination . compositions of the present invention are generally substantially free of substantial amounts of other sunscreens . the triplet combination surprisingly provides and substantially maintains the initial spf value of the sunscreen composition throughout the period of uvr exposure . compositions of the invention are photostable such that each of sunscreen active in the triplet combination does not appreciably photodegrade . the present invention accurately communicates the amount of uvr photoprotection actually provided in natural sunlight and minimizes the amount of potential harmful free radicals formed as byproducts of photodegradation .", "application_number": "US-88746404-A", "description": "the present invention relates to a novel , photostable sunscreen composition that provides and substantially maintains a desired spf of x throughout the period of exposure to natural sunlight and comprises a triplet combination of three sunscreen actives \u2014 avobenzone , octocrylene and oxybenzone . each of the three required sunscreen actives photodegrades to a concentration of not less than 70 %, preferably not less than 75 %, and more preferably not less than 80 % of their initial concentration after exposure to y seds of uvr from natural sunlight , where y is about { fraction ( 1 / 2 )