Invention Grant
- Patent Title: Goniophotometric measurement method for the characterization of pigments and fillers
- Patent Title (中): 用于表征颜料和填料的光度法测量方法
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Application No.: US13820548Application Date: 2011-08-16
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Publication No.: US09250179B2Publication Date: 2016-02-02
- Inventor: Christoph Schmidt , Christoph Hoffmann , Sabine Schoen
- Applicant: Christoph Schmidt , Christoph Hoffmann , Sabine Schoen
- Applicant Address: DE Darmstadt
- Assignee: Merck Patent GmbH
- Current Assignee: Merck Patent GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Millen White Zelano and Branigan, PC
- Agent John Sopp; Anthony Zelano
- Priority: DE102010044956 20100910
- International Application: PCT/EP2011/004103 WO 20110816
- International Announcement: WO2012/031664 WO 20120315
- Main IPC: G01N21/00
- IPC: G01N21/00 ; G01N21/47 ; G01N21/57

Abstract:
The present invention relates to a method for the characterization of pigments and fillers in which the luminance of a pigmented transparent medium is determined against a dark background. This measurement method is particularly suitable for determining the optical properties of cosmetic fillers.
Public/Granted literature
- US20130162992A1 GONIOPHOTOMETRIC MEASUREMENT METHOD FOR THE CHARACTERISATION OF PIGMENTS AND FILLERS Public/Granted day:2013-06-27
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