Invention Grant
- Patent Title: Brilliant black pigments
-
Application No.: US13991638Application Date: 2011-11-14
-
Publication No.: US09657185B2Publication Date: 2017-05-23
- Inventor: Kaiman Shimizu , Fumiko Sasaki , Yukitaka Watanabe
- Applicant: Kaiman Shimizu , Fumiko Sasaki , Yukitaka Watanabe
- Applicant Address: DE Darmstadt
- Assignee: Merck Patent GmbH
- Current Assignee: Merck Patent GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Millen, White, Zelano & Branigan, P.C.
- Priority: EP10015471 20101209
- International Application: PCT/EP2011/005730 WO 20111114
- International Announcement: WO2012/076110 WO 20120614
- Main IPC: C09D7/12
- IPC: C09D7/12 ; C09C1/00 ; C09D5/36 ; A61Q1/10 ; C09D11/037
Abstract:
The present invention is related to brilliant black pigments comprising a flaky aluminum oxide substrate having a coating comprising a layered structure composed of a hematite and a magnetite layer, to a process for the production of said pigments, as well as to their use.
Public/Granted literature
- US20130251771A1 BRILLIANT BLACK PIGMENTS Public/Granted day:2013-09-26
Information query
