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:
May. 26, 2015
Filed:
Jan. 27, 2010
Applicants:
Andreas Karl Rausch, Neuss, DE;
Christoph Blöcher, Leverkusen, DE;
Inventors:
Andreas Karl Rausch, Neuss, DE;
Christoph Blöcher, Leverkusen, DE;
Assignee:
Bayer MaterialScience AG, Leverkusen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2006.01); C02F 1/66 (2006.01); C02F 1/70 (2006.01); C02F 1/72 (2006.01); C02F 9/00 (2006.01); C02F 11/08 (2006.01); C02F 101/00 (2006.01); C02F 101/38 (2006.01);
U.S. Cl.
CPC ...
C02F 1/727 (2013.01); C02F 1/283 (2013.01); C02F 1/286 (2013.01); C02F 1/66 (2013.01); C02F 1/70 (2013.01); C02F 9/00 (2013.01); C02F 11/08 (2013.01); C02F 2101/003 (2013.01); C02F 2101/38 (2013.01);
Abstract
The invention relates to a method for treating wastewater containing nitroaromatics and nitrohydroxyaromatics, as for example arises in the production of nitroaromatics or in the production of nitrohydroxyaromatics, by a two-stage method consisting of pre-reduction and wet oxidation.