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:
Jun. 05, 2018
Filed:
Mar. 27, 2013
Applicant:
Akzo Nobel Chemicals International B.v., Amersfoort, NL;
Inventors:
Hans Lammers, Arnhem, NL;
Johannes Albertus Maria Meijer, Schalkhaar, NL;
Assignee:
AKZO NOBEL CHEMICALS INTERNATIONAL B.V., Arnhem, NL;
Primary Examiner:
Int. Cl.
CPC ...
C25B 1/00 (2006.01); C09K 15/06 (2006.01); C01D 3/26 (2006.01); C25B 3/02 (2006.01); C25B 9/08 (2006.01);
U.S. Cl.
CPC ...
C09K 15/06 (2013.01); C01D 3/26 (2013.01); C25B 1/00 (2013.01); C25B 3/02 (2013.01); C25B 9/08 (2013.01);
Abstract
Process and station for stabilizing an aqueous solution of an iron salt of an organic acid with a ferric component and a ferrous component of less solubility than the ferric component, such as the aqueous solution based on the Fesalt of meso-tartaric acid. To stabilize the content of the dissolved ferric salt, the solution is at least partly subjected to electrolytic oxidation.