公开(公告)号：US20210179856A1

公开(公告)日：2021-06-17

申请号：US17117968

申请日：2020-12-10

申请人： MERCK PATENT GMBH

发明人： Adeliene SCHMITT ,  Padma KAVIRATNA ,  Udo GUMSHEIMER ,  Mark TELLEFSEN ,  Qingmin CHENG

IPC分类号： C09C3/06 ,  A61K8/20

摘要： BiOCl pigments coated with an amorphous carbon. A process for the preparation of the pigments. And use of the pigments prepared in this way, inter alia in paints, coatings, printing inks, plastics and cosmetics.

公开(公告)号：US20180265708A1

公开(公告)日：2018-09-20

申请号：US15924527

申请日：2018-03-19

申请人： Merck Patent GmbH

发明人： Padma KAVIRATNA ,  Mark TELLEFSEN ,  Qingmin CHENG ,  Matthew EDDENS ,  Qinyun PENG

IPC分类号： C09C1/00 ,  A61K8/20 ,  A61K8/02 ,  A61Q1/10 ,  A61Q1/06 ,  A61Q5/02 ,  A61Q3/02 ,  A61K8/25 ,  A61K8/19

CPC分类号： C09C1/0045 ,  A61K8/022 ,  A61K8/0254 ,  A61K8/19 ,  A61K8/20 ,  A61K8/25 ,  A61K2800/43 ,  A61K2800/436 ,  A61K2800/621 ,  A61K2800/622 ,  A61K2800/651 ,  A61Q1/02 ,  A61Q1/06 ,  A61Q1/10 ,  A61Q3/02 ,  A61Q5/02 ,  A61Q19/00 ,  C09C1/0015 ,  C09C1/0021 ,  C09C1/0024 ,  C09C1/0036 ,  C09C1/0051 ,  C09C1/0063 ,  C09C3/00 ,  C09C2200/1087 ,  C09C2200/301 ,  C09C2220/10 ,  C09C2220/103 ,  C09D7/62

摘要： Disclosed are pigment powders containing only coated BiOCl flakes, which flakes area) BiOCl flakes having a coating containing yellow iron oxide Fe2O3*xH2O, optionally a colorant, optionally an adjuvant, and optionally SiO2, b) BiOCl flakes having a coating containing SiO2, optionally a colorant, and optionally an adjuvant, c) BiOCl flakes having a coating containing a colorant, SiO2, optionally yellow iron oxide Fe2O3*xH2O, and optionally an adjuvant, or d) BiOCl flakes having a coating containing Fe3O4 and optionally SiO2, to a process for the preparation of the pigment powders, and to the use thereof especially in cosmetic formulations.