发明名称 |
NONPIGMENTARY TITANIUM DIOXIDE POWDERS |
摘要 |
The present invention is directed to a process for preparing free flowing powders of nonpigmentary titanium dioxide granular aggregates. The process comprises the providing of dried preforms of flocculated pigmentary titanium dioxide and the comminution thereof to powders of granular aggregates of enhanced bulk density and predetermined particle size. |
申请公布号 |
ZA8906368(B) |
申请公布日期 |
1991.04.24 |
申请号 |
ZA19890006368 |
申请日期 |
1989.08.21 |
申请人 |
KERR-MCGEE CHEMICAL CORPORATION |
发明人 |
PHILLIP MILES STORY;JOHN ROBERT BRAND |
分类号 |
C01G23/047;C01G23/08 |
主分类号 |
C01G23/047 |
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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