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. 16, 2013
Filed:
Jul. 14, 2008
Applicants:
Christian Vogler, Moosburg, DE;
Klaus Langer, Munich, DE;
Andreas Pollner, Moosburg, DE;
Gerhard Nuspl, Munich, DE;
Inventors:
Christian Vogler, Moosburg, DE;
Klaus Langer, Munich, DE;
Andreas Pollner, Moosburg, DE;
Gerhard Nuspl, Munich, DE;
Assignee:
Sued-Chemie IP GmbH & Co. KG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cyclic process for the preparation of barium sulphate and lithium-iron phosphate comprising (i) preparing an aqueous solution containing lithium and sulphate ions and (ii) adding solid barium hydroxide at a temperature of more than 50° C., wherein the barium hydroxide is added over a period of less than 15 minutes. Also, barium sulphate obtainable by the process according to the invention.