The invention provides coated metal oxide particles, wherein metal oxide particles are coated with at least one type of crosslinkable chromophore with UV-A and/or UV-B and/or UV-C filter and/or broadband activity and optionally at least one type of crosslinkable monomer which does not have UV-A and/or UV-B and/or UV-C and/or broadband filter activity and process to obtain coated metal oxide particles and their use especially in cosmetic or dermatological formulations for the protection against harmful effects of sunlight.
Microcapsules with uv filter activity and process for producing them
申请人:Berg-Schultz Katja
公开号:US20070190325A1
公开(公告)日:2007-08-16
The invention provides a process for producing microcapsules with UV filter activity, wherein at least one type of crosslinkable chromophore with UV-A and/or UV-B and/or UV-C filter activity and optionally at least one type of crosslinkable monomer which does not have UV-A and/or UV-B and/or UV-C filter activity are subjected to a crosslinking reaction in the absence of non-crosslinkable chromophores with UV-A and/or UV-B and/or UV-C filter activity and microcapsules obtainable by this process.
MICROCAPSULES WITH UV FILTER ACTIVITY AND PROCESS FOR PRODUCING THEM
申请人:BERG-SCHULTZ Katja
公开号:US20120022265A1
公开(公告)日:2012-01-26
The invention provides a process for producing microcapsules with UV filter activity, wherein at least one type of crosslinkable chromophore with UV-A and/or UV-B and/or UV-C filter activity and optionally at least one type of crosslinkable monomer which does not have UV-A and/or UV-B and/or UV-C filter activity are subjected to a crosslinking reaction in the absence of non-crosslinkable chromophores with UV-A and/or UV-B and/or UV-C filter activity and microcapsules obtainable by this process.