ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,430, issued on Oct. 14, was assigned to INFINITEC ACTIVOS S L (Barcelona, Spain).
"Use of tetrapeptides and functionalised microcapsules as skin penetration carriers" was invented by Aimee Vasconcelos Pacheco (Barcelona, Spain), Ramona Galatola (Barcelona, Spain) and Marisabel Mourelle Mancini (Barcelona, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Microcapsules contain a peptide (I), and peptides (II) or (III) coupled to a PLGA-containing polymeric shell. The microcapsules can be used to enhance skin penetration of active ingredients encapsulated therein, particularly in the field of cosmetics. A process can be used for preparing the micro...