The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2023
Filed:
Mar. 21, 2022
Applicant:
Lanxess Deutschland Gmbh, Cologne, DE;
Inventors:
Kai Buetje, Duisburg, DE;
Christine Kathrein, Duesseldorf, DE;
Carsten Rosenhahn, Kempen, DE;
Juergen Kischkewitz, Ratingen, DE;
Ulrich Meisen, Kall, DE;
Peter Koehler, Krefeld, DE;
Assignee:
LANXESS Deutschland GmbH, Cologne, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/24 (2006.01); C01G 49/00 (2006.01);
U.S. Cl.
CPC ...
C01G 49/0045 (2013.01); C09C 1/24 (2013.01); C01P 2006/13 (2013.01); C01P 2006/63 (2013.01); C01P 2006/64 (2013.01); C01P 2006/65 (2013.01); C01P 2006/80 (2013.01);
Abstract
Aluminium-containing iron oxide pigments of the formula FeAlOwith x values from 0.01 to 0.25, characterized in that they possess an a* value of 30.5 to 32.5 CIELAB units and a b* value of 25.5 to 30.5 CIELAB units, measured in each case as full shade in the alkyd resin according to DIN EN ISO 787-25:2007.