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. 22, 1990
Filed:
Mar. 02, 1987
Applicant:
Inventors:
Alexandre Villard, Rouen, FR;
Yves Cotonea, Rouen, FR;
Assignee:
Societe Chimique des Charbonnages S.A., Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C06B / ;
U.S. Cl.
CPC ...
423396 ;
Abstract
Process for producing concentrated solutions of ammonium nitrate by neutralization of nitric acid with ammonia in a pipe reactor. When the global flow of reactives corresponds to an output higher than 150 kg/h/cm.sup.2 neutralization is performed in the presence of recycled concentrated solutions of ammonium nitrate. When the global flow is higher than 150 kg/h/cm.sup.2 recycling is not necessary.