Invention Grant
- Patent Title: Fine hollow powder, thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same
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Application No.: US11812958Application Date: 2007-06-22
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Publication No.: US07943114B2Publication Date: 2011-05-17
- Inventor: Takayoshi Sasaki , Mamoru Watanabe , Yuichi Michiue , Masaki Iida
- Applicant: Takayoshi Sasaki , Mamoru Watanabe , Yuichi Michiue , Masaki Iida
- Applicant Address: JP Osaka
- Assignee: Ishihara Sangyo Kaisha, Ltd.
- Current Assignee: Ishihara Sangyo Kaisha, Ltd.
- Current Assignee Address: JP Osaka
- Agency: Manelli Denison & Selter PLLC
- Agent Paul E. White, Jr.
- Priority: JP09-254266 19970902; JP09-254267 19970902; JP09-254268 19970902; JP09-364908 19971218; JP09-364909 19971218; JP10-030541 19980127; JP10-030542 19980127
- Main IPC: C01G23/04
- IPC: C01G23/04 ; C01G23/047 ; C01G23/053 ; C09C1/36
Abstract:
The present invention relates to fine hollow powder with a titanium oxide shell, obtained by spray drying an exfoliated titania sol, and thin flaky titanium oxide powder obtained by pulverizing the fine hollow powder, and also to processes for producing the same. The present fine hollow powder and thin flaky titanium oxide powder have a distinguished dispersibility and are useful for additives to cosmetics, pigments, paints, etc., and the present fine hollow powder also has a distinguished flowability and is useful for seed particles for flow measurement.
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