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:
Jun. 25, 1996
Filed:
Dec. 22, 1994
Applicant:
Inventors:
Russell W Johnson, Elmhurst, IL (US);
Robert H Sedath, Bensenville, IL (US);
Mark B Koch, Mt. Prospect, IL (US);
Assignee:
AlliedSignal Inc., Morris Township, Morris County, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
A62D / ;
U.S. Cl.
CPC ...
588203 ; 149124 ;
Abstract
A method for converting Explosive D, i.e., ammonium picrate to oxygenated products, particularly hydroquinone or cyclohexanediol and ammonia by hydrogenation over a supported Group VIII metal catalyst. Preferably, the ammonium picrate is dissolved in a suitable solvent and then hydrogenated at a temperature of about 25.degree. to 250.degree. C., and a pressure of about 10 to 1000 psig (69 to 6900 kPa gauge) followed by separation of the commercially valuable products and ammonia.