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. 27, 2018
Filed:
Mar. 28, 2016
Applicant:
Rohm and Haas Company, Collegeville, PA (US);
Inventors:
John C. Rohanna, Royersford, PA (US);
Alfred K. Schultz, Maple Glen, PA (US);
Assignee:
ROHM AND HAAS COMPANY, Collegeville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 17/90 (2006.01); B01D 15/00 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); B01J 20/34 (2006.01); B01D 15/20 (2006.01);
U.S. Cl.
CPC ...
C01B 17/90 (2013.01); B01D 15/203 (2013.01); B01J 20/20 (2013.01); B01J 20/28004 (2013.01); B01J 20/28016 (2013.01); B01J 20/28059 (2013.01); B01J 20/28061 (2013.01); B01J 20/28064 (2013.01); B01J 20/28066 (2013.01); B01J 20/3416 (2013.01); C01B 17/905 (2013.01); C01P 2006/80 (2013.01);
Abstract
Provided is a method for treating sulfuric acid comprising the step (I) of bringing said sulfuric acid into contact with a collection of solid particles (B) having BET surface area of 50 m/g to 5,000 m/g and having volume-average particle diameter of 200 μm or less.