White pigment reflecting IR radiation, production and use thereof

US10023746B2 · kind B2 · utility

Assignee

• ECKART GmbH · DE

Inventors

• Frank Henglein · Nuremberg, DE
• Christian Schramm · Lippstadt, DE
• Ulrich Schmidt · Flörsheim, DE
• Harald Weiss · Stöttwang, DE
• Jasmin Bleisteiner · Kirchensittenbach, DE
• Michael Grüner · Zwingenberg, DE

Key dates

• Filing date: Mar 9, 2015
• Grant date: Jul 17, 2018
• Expiry date: Mar 9, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09C2220/10
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a pigment which reflects IR radiation, comprising an IR-reflecting core, the IR-reflecting core being provided with a substantially enveloping coating which is transparent to IR radiation, and in that the IR-reflecting pigment is substantially white. The invention further relates to a process for producing these pigments and also to their use.