05.05.23
US Patent No. 11,638,680 B2 (Diane Metten, Tim Bethge, Rene Scheffler, Thorsten Knappe, Rolf Bayersdoerfer); Henkel AG & Co. KGaA has been awarded a US patent for a hair styling composition that contains one component that is comprised of fibers, at least one polymer comprising an acrylate polymer, and at least one polymer comprising a polyurethane. The polymer comprising a polyurethane has at least two of the monomer units chosen from propylene glycol, ethylene glycol, 4,4-MDI, 2,4-MDI, 2,2-MDI and mixtures thereof.