04.15.22
US Patent No. 11,298,301 B2 (Miyako Kitamura, Mai Ozawa, Takayoshi Sakoda, Tokyo); LVMH Recherche, Saint Jean de Braye, France, has been awarded a US patent for an oil-in-water emulsified cosmetic. It is comprised of an aqueous medium; an anionic surfactant; an oil agent; an amphiphilic polymer, selected from the group consisting of hydrophobic group-modified hydrophilic urethane polymers, (meth)acrylic polymers having a side chain including a hydrophilic group and a hydrophobic group, and hydrophobic group-modified hydrophilic polysaccharides; and a charge neutralizer. The cosmetic has a viscosity of 10,000 mPa·s or higher at 25°C.