Invention Grant
- Patent Title: Bright pigment, method for producing same, pigment-containing composition, and pigment-containing painted product
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Application No.: US15576058Application Date: 2016-05-27
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Publication No.: US10577502B2Publication Date: 2020-03-03
- Inventor: Haruko Horiguchi , Masahiro Hioki
- Applicant: Nippon Sheet Glass Company, Limited
- Applicant Address: JP Tokyo
- Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
- Current Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
- Current Assignee Address: JP Tokyo
- Agency: Hamre, Schumann, Mueller & Larson, P.C.
- Priority: JP2015-112160 20150602; JP2015-193901 20150930
- International Application: PCT/JP2016/002593 WO 20160527
- International Announcement: WO2016/194352 WO 20161208
- Main IPC: C09C1/00
- IPC: C09C1/00 ; C09D5/29 ; C09D7/40

Abstract:
A bright pigment according to the present invention includes: a glass flake; a titanium oxide layer formed over the glass flake; and fine gold particles deposited on the titanium oxide layer or placed between the glass flake and the titanium oxide layer. The titanium oxide layer has a thickness of 150 nm or more, and a reflected color of the bright pigment is a blue to green color represented by a C* value of 15 or more and a h value of 150 to 300 in a L*C*h color system.
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