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:
Sep. 26, 2017
Filed:
Mar. 05, 2014
Applicant:
Casale SA, Lugano, CH;
Inventors:
Assignee:
Casale SA, , CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 10/00 (2006.01); C07C 273/04 (2006.01);
U.S. Cl.
CPC ...
B01J 10/00 (2013.01); C07C 273/04 (2013.01); B01J 2219/00024 (2013.01);
Abstract
A method for revamping a self-stripping urea plant comprising the installation of a new CO2-stripping synthesis section (), wherein at least part of the aqueous urea solution () leaving said new section () is directed to the existing low pressure recovery section () of the self-stripping plant, by-passing the existing self-stripping high-pressure section () and medium pressure treatment section ().