公开(公告)号：US20230035202A1

公开(公告)日：2023-02-02

申请号：US17789496

申请日：2020-12-24

Applicant: L'OREAL

Inventor： Valérie JEANNE-ROSE ,  Henri SAMAIN ,  Yiannis DELIGIANNAKIS ,  Maria LOULOUDI

IPC: C01B13/34 ,  A61K8/02 ,  A61K8/25 ,  A61K8/27 ,  A61K8/29 ,  A61Q17/04 ,  C01G23/04 ,  C01G9/02

Abstract: The present invention relates to a process for preparing oxide particles, in particular metal oxide particles, coated with silicon oxide by means of flame spray pyrolysis technology, to oxide particles, in particular metal oxide particles, coated with silicon oxide, and to a composition comprising said particles. The present invention also relates to specific oxide particles, in particular metal oxide particles, coated with silicon oxide derived from such a process, to the compositions comprising such particles and also to the uses thereof.

公开(公告)号：US20230037614A1

公开(公告)日：2023-02-09

申请号：US17789501

申请日：2020-12-24

Applicant: L'OREAL

Inventor： Valérie JEANNE-ROSE ,  Henri SAMAIN ,  Yiannis DELIGIANNAKIS ,  Maria LOULOUDI

IPC: A61K8/02 ,  A61Q15/00 ,  A61Q17/04 ,  A61K8/29 ,  A61K8/19

Abstract: The present invention relates to coated metal oxide particles, to a process for preparing such coated particles by means of flame spray pyrolysis technology, to metal oxide particles derived from such a process, to the compositions comprising such particles and also to the uses thereof.

公开(公告)号：US20220356071A1

公开(公告)日：2022-11-10

申请号：US17789488

申请日：2020-12-24

Applicant: L'OREAL

Inventor： Valérie JEANNE-ROSE ,  Henri SAMAIN ,  Yiannis DELIGIANNAKIS ,  Maria LOULOUDI

IPC: C01G9/02 ,  C09C1/04 ,  C09D7/62 ,  C01B13/34

Abstract: The present invention relates to a process for preparing coated zinc oxide particles by means of flame spray pyrolysis technology, to coated zinc oxide particles, and to a composition comprising said particles. The present invention also relates to specific zinc oxide particles derived from such a process, to the compositions comprising such particles and also to the uses thereof.