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:
Aug. 19, 1980
Filed:
May. 17, 1979
Applicant:
Inventors:
Keizo Konoki, Tokyo, JP;
Michio Nobue, Funabashi, JP;
Assignees:
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Toyo Engineering Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 423359 ;
Abstract
The tail gas from the urea synthesis plant is rendered non-explosive by adding thereto a purge gas that is obtained from the ammonia synthesis plant that is usually installed closed to the urea synthesis plant and used for synthesis of ammonia used as starting material for the urea synthesis.