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. 05, 2013
Filed:
Apr. 28, 2008
Applicants:
Frank Stenger, Alzenau, DE;
Klaus Bergemann, Kerpen-Sindorf, DE;
Manfred Nagel, Maintal, DE;
Inventors:
Assignee:
Evonik Carbon Black GmbH, Hanau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 26/10 (2006.01); C01B 31/00 (2006.01); B32B 9/00 (2006.01); B32B 19/00 (2006.01); B29B 9/00 (2006.01); B60C 1/00 (2006.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for aftertreating carbon black, wherein the carbon black is subjected to a carrier gas flow in a fluidized bed apparatus in the lower region of the apparatus, an additional gas stream is introduced into the fluidized bed apparatus, and the carbon black is aftertreated in the fluidized bed which arises.