Invention Grant
- Patent Title: Low alpha dose barium sulfate particle, and use and process for producing the same
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Application No.: US16063748Application Date: 2016-12-23
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Publication No.: US11040888B2Publication Date: 2021-06-22
- Inventor: Satoru Sueda , Hironobu Ogata
- Applicant: SAKAI CHEMICAL INDUSTRY CO., LTD.
- Applicant Address: JP Osaka
- Assignee: SAKAI CHEMICAL INDUSTRY CO., LTD.
- Current Assignee: SAKAI CHEMICAL INDUSTRY CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JPJP2015-255448 20151225
- International Application: PCT/JP2016/088591 WO 20161223
- International Announcement: WO2017/111145 WO 20170629
- Main IPC: C09C1/02
- IPC: C09C1/02 ; C01F11/46 ; C09D7/62 ; C08K3/30 ; C08L101/00 ; C09C3/06 ; C09C3/04 ; C08K9/02
Abstract:
The invention provides a low alpha dose barium sulfate particle having a silica content of 0.6% by weight or less, an average particle diameter of 1 μm or less, a sulfur content of 10 ppm or less, and an alpha dose of 0.07 cph/cm2 or less.
Public/Granted literature
- US20200270138A1 LOW ALPHA DOSE BARIUM SULFATE PARTICLE, AND USE AND PROCESS FOR PRODUCING THE SAME Public/Granted day:2020-08-27
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