Preparation of iron (III) oxide pigment

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United States of America Patent

PATENT NO 10479893
APP PUB NO 20170292024A1
SERIAL NO

15507808

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Abstract

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The present invention relates to an improved process for producing iron oxide red pigments by the Penniman process using nitrate (also referred to as nitrate process or direct red process).

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Patent Owner(s)

  • LANXESS DEUTSCHLAND GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Czaplik, Waldemar Krefeld, DE 7 17
Ketteler, Guido Dusseldorf, DE 3 15
Kischkewitz, Jurgen Ratingen, DE 22 269

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