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:
Jan. 08, 2013
Filed:
Aug. 09, 2007
Applicants:
Ralph Hofmann, Buchen, DE;
Guenter Stein, Nidderau, DE;
Frank Menzel, Hanau-Steinheim, DE;
Inventors:
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 21/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Pyrogenic titanium dioxide is compressed to slugs by preliminarily deaerating it, compressing it to slugs, and crushing the slugs and optionally classifying them. The slugs are characterized by a tamped density (to DIN EN ISO 787-11) of 500 to 1200 g/l.