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. 16, 2006
Filed:
Oct. 23, 2003
Applicants:
Henri Delalu, Lyons, FR;
Cécile Duriche, Lyons, FR;
Jacques Berthet, Lyons, FR;
Pierre Le Gars, Toulouse, FR;
Inventors:
Henri Delalu, Lyons, FR;
Cécile Duriche, Lyons, FR;
Jacques Berthet, Lyons, FR;
Pierre Le Gars, Toulouse, FR;
Assignees:
Isochem, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 21/09 (2006.01); C07C 239/04 (2006.01); A01N 59/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the synthesis of monochloramine by reaction of an ammonium chloride solution with a sodium hypochlorite solution. The sodium hypochlorite solution is basified beforehand with an inorganic base and the ratio of the concentration of ammonium chloride in the reaction medium to the concentration of sodium hypochlorite in the reaction medium is between 1 and 1.5. This ratio is preferably equal to 1.1.