Invention Grant
- Patent Title: Fine barium titanate powder
- Patent Title (中): 细钛酸钡粉
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Application No.: US13255554Application Date: 2010-03-12
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Publication No.: US08367206B2Publication Date: 2013-02-05
- Inventor: Sei Ung Park , Ju Suk Ryu , Seong Jae Lim , In Jae Baek
- Applicant: Sei Ung Park , Ju Suk Ryu , Seong Jae Lim , In Jae Baek
- Applicant Address: KR Seoul
- Assignee: Hanwha Chemical Corporation
- Current Assignee: Hanwha Chemical Corporation
- Current Assignee Address: KR Seoul
- Agency: The Webb Law Firm
- Priority: KR10-2009-0021198 20090312; KR10-2009-0066243 20090721
- International Application: PCT/KR2010/001564 WO 20100312
- International Announcement: WO2010/104358 WO 20100916
- Main IPC: B32B5/16
- IPC: B32B5/16

Abstract:
Provided is barium titanate based powder represented by Chemical Formula 1: (BaxR1r1R2r2)(TiyR3r3R4r4)O3 [Chemical Formula 1] wherein R1 is at least one element selected from the group consisting of yttrium (Y) and lanthanoids; R2 is at least one element selected from the group consisting of magnesium (Mg), calcium (Ca) and strontium (Sr); R3 includes phosphorus (P) and niobium (Nb); R4 is at least one element selected from the group consisting of aluminum (Al), vanadium (V), chrome (Cr), manganese (Mn), cobalt (Co), zirconium (Zr) and tantalum (Ta); r1 and r3 independently represent a real number greater than 0 and equal to or less than 0.05; r2 and r4 independently represent a real number greater than 0 and equal to or less than 0.1; and (x+r1+r2)/(y+r3+r4) is a real number ranging from 0.85 to 1.15.
Public/Granted literature
- US20110318583A1 Fine Barium Titanate Powder Public/Granted day:2011-12-29
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