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:
Nov. 01, 2016
Filed:
May. 28, 2009
Applicants:
Sonja Grothe, Oberhausen, DE;
Jörg Hocken, Meerbusch, DE;
Elke Gosch, Krefeld, DE;
Bernd Rohe, Moers, DE;
Peter Ebbinghaus, Herten, DE;
Jens Kohnert, Alpen, DE;
Inventors:
Sonja Grothe, Oberhausen, DE;
Jörg Hocken, Meerbusch, DE;
Elke Gosch, Krefeld, DE;
Bernd Rohe, Moers, DE;
Peter Ebbinghaus, Herten, DE;
Jens Kohnert, Alpen, DE;
Assignee:
Sachtleben Chemie GmbH, Duisburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F 11/46 (2006.01); B82Y 30/00 (2011.01); C09C 1/02 (2006.01);
U.S. Cl.
CPC ...
C01F 11/462 (2013.01); B82Y 30/00 (2013.01); C09C 1/027 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/22 (2013.01);
Abstract
The invention concerns a process for the production of a storage-stable barium sulphate, the barium sulphate produced thereby and the use thereof as an additive.