公开(公告)号：US20220183934A1

公开(公告)日：2022-06-16

申请号：US17437986

申请日：2020-03-12

Applicant: BASF SE

Inventor： Bernd HERZOG ,  Brigitte LINDEMANN ,  Chrisstian CREMER ,  Rupa Hiremath DARJI ,  Liangliang QU ,  Keith TASK

IPC: A61K8/02 ,  A61K8/25 ,  A61K8/27 ,  A61K8/29 ,  A61K8/35 ,  A61K8/368 ,  A61K8/37 ,  A61K8/41 ,  A61K8/46 ,  A61K8/49 ,  A61Q17/04

Abstract: The present invention relates to a method for increasing sun protection factor (SPF) of a sunscreen composition, use of porous metal oxide spheres (e.g., microspheres) for increasing SPF of a sunscreen composition and preparation of sunscreen compositions comprising the porous spheres.