Invention Grant
- Patent Title: Glitter pigment, pigment-containing composition, and pigment-containing painted product
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Application No.: US16465024Application Date: 2017-08-04
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Publication No.: US11028272B2Publication Date: 2021-06-08
- Inventor: Koichiro Nakamura , 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: JPJP2016-250514 20161226
- International Application: PCT/JP2017/028500 WO 20170804
- International Announcement: WO2018/123125 WO 20180705
- Main IPC: C09C1/00
- IPC: C09C1/00 ; C09C3/06 ; C08K3/22 ; C08K3/40 ; C08K9/02 ; C09D7/62 ; C09D133/12 ; C09D169/00 ; C09D7/40 ; C09C1/28 ; C09D17/00 ; C09C1/40 ; C08K7/00

Abstract:
The present invention provides a new glitter pigment suitable for providing high-brightness whitish reflected light. The glitter pigment according to the present invention includes: a flaky substrate 1; and a silicon oxide layer 2 and a titanium oxide layer 3 formed in this order on the flaky substrate 1, wherein in the case where the flaky substrate is the glass flake, the glass flake has a thickness of 284 to 322 nm, the silicon oxide layer has a thickness of 89 to 109 nm, and the titanium oxide layer has a thickness of 51 to 86 nm. In the case where the flaky substrate is the alumina flake, the alumina flake has a thickness of 260 to 280 nm, the silicon oxide layer has a thickness of 79 to 102 nm, and the titanium oxide layer has a thickness of 47 to 87 nm.
Public/Granted literature
- US20190292372A1 BRIGHT PIGMENT, PIGMENT-CONTAINING COMPOSITION, AND PIGMENT-CONTAINING PAINTED PRODUCT Public/Granted day:2019-09-26
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