Process for preparing ammonium sulfate nitrate

US9464008B2 · kind B2 · utility

Assignee

• HONEYWELL INTERNATIONAL INC. · US

Inventors

• Stephanie C. Barthe · Richmond, US
• James A. Kweeder · Chester, US
• Maria A. Azimova · Richmond, US
• Raymond G. Wissinger · Midlothian, US
• Christopher Pace · Russellville, US
• Joshua H. McGill · Florence, US
• Keith D. Cochran · Killen, US
• Andrew J. Howes · Midlothian, US

Key dates

• Filing date: Jan 16, 2013
• Grant date: Oct 11, 2016
• Expiry date: Dec 1, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C05C1/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Ammonium sulfate nitrate double salts may be produced using a process that result in complete or nearly complete conversion to the 2:1 double salt. In some embodiments, the disclosure pertains to methods of controlling moisture content during the production process.