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Patent Picks—Sunscreen Particles, Delaying Senescence, Skin Repair and More
By: Rachel L. Grabenhofer
Posted: March 15, 2011
page 2 of 6
Sunscreen composite particles
US Patent 7892524
Publication date: Feb. 22, 2011
Assignee: Conopco Inc.
Disclosed in this patent are composite particles for providing UV photoprotection in cosmetic compositions. Said compositions include an organic sunscreen agent dispersed within a condensation polymerized resin having carboxylic acid groups and a dielectric constant of 6.5-18.
Ionic UVA sunscreens and compositions containing them
US Patent 7897779
Publication date: March 1, 2011
Assignee: DSM IP Assets B.V.
The present invention relates to novel 1,4-dihydropyridine derivatives, to novel cosmetic or dermatological sunscreen compositions containing these derivatives, and the use of these derivatives for photoprotecting human skin and/or hair against UV radiation, in particular solar radiation.
Topical skin care formulations
US Patent Application 20110044920
Publication date: Feb. 24, 2011
Assignee: Mary Kay Inc.