发明名称 Pigment for shielding of ultraviolet radiation
摘要 <p>ÄObjectÜ To provide an ultraviolet radiation shielding pigment having a high power of shielding of ultraviolet radiation, particularly UV-A, a low cohesive force, and excellent extensibility and adhesiveness as a pigment for cosmetics. ÄSolutionÜ A pigment for shielding of ultraviolet radiation which comprises a flaky powder having particle surfaces coated with particles of barium sulfate having an average diameter of 0.1 to 2.0 microns, and with needle crystal particles of zinc oxide having an average major-axis diameter of 0.05 to 1.5 microns, and a process for manufacturing it.</p>
申请公布号 EP0889099(B1) 申请公布日期 2003.10.01
申请号 EP19980111383 申请日期 1998.06.20
申请人 MERCK PATENT GMBH 发明人 NOGUCHI, TAMIO;WATANABE, YUKITAKA
分类号 A61K8/00;A61K8/11;A61K8/19;A61K8/23;A61K8/27;A61Q1/00;A61Q1/12;A61Q17/04;C01G9/02;C08K9/02;C08L101/00;C09B67/20;C09C1/00;C09C1/04;C09C1/40;C09C3/06;C09D5/32;C09D7/12;(IPC1-7):C09C1/00;A61K7/00 主分类号 A61K8/00
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