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Patent Picks—Melanin Stimulator, Broad-spectrum Antioxidant, AHA Boost to BHA Solubility and More
By: Rachel L. Grabenhofer, Cosmetics & Toiletries
Posted: July 24, 2013
page 4 of 4
According to this patent, the solubility in alcoholic media of beta-hydroxy acids (BHAs) such as salicylic acid is markedly enhanced in the presence of at least one alpha-hydroxy acid (AHA). The present invention thus features higher potency, more concentrated BHA skin peel cosmetic/dermatological compositions, as well as a chemical skin peel regimen including same.
Degradable, size-controlled nanoparticles for delivery
US Patent 8492510
Publication date: July 23, 2013
Assignee: Vanderbilt University
This invention relates to polymers, crosslinked polymers, functionalized polymers, nanoparticles and functionalized nanoparticles and methods of making and using same. In one aspect, degradable polymer and nanoparticles are specified, as are methods of controlling particle size during the preparation of them. Applications include complexing, delivering and releasing payloads such as actives.