Invention Grant
- Patent Title: Silica sol containing phenylphosphonic acid and applications thereof
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Application No.: US16082000Application Date: 2017-02-24
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Publication No.: US10662339B2Publication Date: 2020-05-26
- Inventor: Yoshiyuki Kashima , Noriyuki Takakuma , Daisuke Shimizu
- Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
- Applicant Address: JP Tokyo
- Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
- Current Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@dc759e1
- International Application: PCT/JP2017/007165 WO 20170224
- International Announcement: WO2017/150383 WO 20170908
- Main IPC: C09D5/08
- IPC: C09D5/08 ; C09D1/00 ; C09D7/40 ; C23C22/00
Abstract:
A coating-forming composition for an electrical steel sheet that maintains excellent insulating properties, corrosion resistance, adhesion, and the like required in a coating for an electrical steel sheet, and exhibits excellent viscosity stability, with an increase in viscosity over time being kept gradual. A coating-forming composition for an electrical steel sheet comprises colloidal silica, a phosphate, phenylphosphonic acid or a salt thereof, and an aqueous medium.
Public/Granted literature
- US20190153240A1 SILICA SOL CONTAINING PHENYLPHOSPHONIC ACID AND APPLICATIONS THEREOF Public/Granted day:2019-05-23
Information query
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