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.

Date of Patent:
Mar. 16, 1982

Filed:

Sep. 04, 1980
Applicant:
Inventor:

Giorgio Pagani, Milan, IT;

Assignee:

Snamprogetti S.p.A., Milan, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C / ; C07C / ;
U.S. Cl.
CPC ...
423359 ; 564 66 ; 564 69 ;
Abstract

In an integrated flexible installation for producing ammonia and urea, the improved method which consists in that a portion of the gaseous stream comprising carbon dioxide, hydrogen and nitrogen is fed to a complementary decarbonation area and then admixed with a portion of a similar, but non-decarbonated stream of gas prior to entering the carbon-dioxide-absorption unit. Liquid ammonia is recovered from a portion of the ammoniated aqueous solution used for abating the ammonia and sent to a distillation column to recover liquid ammonia therefrom.


Find Patent Forward Citations

Pagani, Giorgio. (1982). Flexible integrated method for the production of ammonia and urea (U.S. Patent No. 4320103). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4320103

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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