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. 19, 2001
Filed:
Aug. 30, 1999
Applicant:
Inventors:
Norbert Rieth, Paris, FR;
François De Bussy, Paris, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 3/00 ;
U.S. Cl.
CPC ...
F25J 3/00 ;
Abstract
Impure oxygen containing 70 to 98% oxygen and less than 2% argon is supplied to a synthesis-gas production unit (,) which supplies hydrogen to an ammonia-production unit (,). The same air-separation device (,) can supply the nitrogen (,) to the ammonia-production unit and impure oxygen (,) to the synthesis-gas production unit.