Invention Grant
- Patent Title: Alumina powder, alumina slurry, alumina-containing coating layer, multilayer separation membrane and secondary battery
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Application No.: US16076749Application Date: 2017-09-06
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Publication No.: US10763510B2Publication Date: 2020-09-01
- Inventor: Jihoon Rhee , Taebong Kim , Suk Lee
- Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
- Applicant Address: JP Chuo-ku, Tokyo
- Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
- Current Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
- Current Assignee Address: JP Chuo-ku, Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@3b4c9acb
- International Application: PCT/JP2017/032150 WO 20170906
- International Announcement: WO2018/047871 WO 20180315
- Main IPC: H01M4/62
- IPC: H01M4/62 ; H01M2/16 ; H01M4/36 ; C01F7/02 ; B01D67/00 ; B01D69/12 ; B01D71/02 ; C01F7/30 ; H01M4/13 ; H01M10/056 ; H01M4/02
Abstract:
The present invention relates to: an alumina powder wherein a ratio (TBD/LBD) of a tapped bulk density (TBD) to a loose bulk density (LBD) is 1.5 or more; an alumina slurry containing the same; an alumina-containing coating layer; a multilayer separation membrane; and a secondary battery.
Public/Granted literature
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