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:
Dec. 17, 2024
Filed:
Mar. 27, 2020
Urban Mining Corp B.v., Rotterdam, NL;
Delft University of Technology, Delft, NL;
Piotr Jakub Glazer, Delft, NL;
Ronald Alphons Penners, Delft, NL;
Simon Petrus Maria Berkhout, Delft, NL;
Peter Carlo Rem, Rijswijk, NL;
URBAN MINING CORP B.V., Rotterdam, NL;
TECHNISCHE UNIVERSITEIT DELFT, Delft, NL;
Abstract
A process and a system for producing a stock solution for production of a ferrofluid is provided. The process includes contacting an acidic solution in a reaction container filled with an excess of a bulk material containing Fe(III) and optionally Fe(II). The acid reacts with the bulk material to form the stock solution (Ls) having dissolved ferric (Fe(III)) and optionally ferrous (Fe(II)) ions which is then separated from the bulk material.