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:
Feb. 13, 2018
Filed:
Aug. 20, 2009
Applicant:
Kohei Seki, Niihama, JP;
Inventor:
Kohei Seki, Niihama, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Chuo-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 7/04 (2006.01); B01J 23/46 (2006.01); B01J 21/06 (2006.01); B01J 35/00 (2006.01); B01J 35/10 (2006.01); B01J 37/00 (2006.01);
U.S. Cl.
CPC ...
B01J 23/462 (2013.01); B01J 21/063 (2013.01); B01J 35/002 (2013.01); B01J 35/108 (2013.01); B01J 35/1009 (2013.01); B01J 35/1014 (2013.01); B01J 35/1019 (2013.01); B01J 37/0009 (2013.01); C01B 7/04 (2013.01);
Abstract
A method for producing chlorine by oxidizing hydrogen chloride with oxygen in the presence of a catalyst, wherein the catalyst satisfies the following conditions (i) and (ii): (i) the BET specific surface area is from 1 to 250 m/g; and (ii) the value of H/D, wherein H is the half width of the peak of a pore distribution curve as determined by a mercury intrusion method; and D is the average pore diameter, is from 0.6 to 1.5.