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:
Aug. 17, 2010
Filed:
Oct. 04, 2007
Applicants:
Djamschid Amirzadeh-asl, Moers, DE;
Karl-heinz Schwarz, Rheinberg, DE;
Inventors:
Djamschid Amirzadeh-Asl, Moers, DE;
Karl-Heinz Schwarz, Rheinberg, DE;
Assignee:
Sachtleben Chemie GmbH, Duisburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/02 (2006.01); C01F 11/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
Barium sulfate particles having an average particle diameter dof from 0.1 to 10 μm which are produced by precipitation can be dispersed better if they are covered with at least one organic additive.