发明名称 |
Pigmento perolizado e método para sua formação |
摘要 |
<p>A pearlescent pigment comprises C glass flakes having a first layer comprising rutile titanium dioxide or iron oxide thereon and a second layer comprising hydrous oxide or hydroxide of a polyvalent cation, precipitate of said polyvalent cation, and an anionic polymeric compound. A hydrous layer of the rutile forming titanium dioxide or iron oxide is first formed on the glass flakes and the resulting coated flakes are calcined prior to the application of the second layer.</p> |
申请公布号 |
BR9709285(A) |
申请公布日期 |
1999.08.10 |
申请号 |
BR19979709285 |
申请日期 |
1997.06.03 |
申请人 |
ENGELHARD CORPORATION;EMPRESA |
发明人 |
WILLIAM J. SULLIVAN;PATRICIA ELLIOT;DANA FLEMING |
分类号 |
A61K8/18;A61K8/00;A61K8/25;A61Q1/00;A61Q1/02;C03C17/34;C09C1/00;C09C1/28;C09C3/06;(IPC1-7):C09C1/00 |
主分类号 |
A61K8/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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