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:
Apr. 17, 2012
Filed:
May. 12, 2009
Applicants:
Federico Zardi, Breganzona, CH;
Andrea Scotto, Breganzona, CH;
Inventors:
Federico Zardi, Breganzona, CH;
Andrea Scotto, Breganzona, CH;
Assignee:
Urea Casale S.A., , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 273/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for revamping a conventional self-stripping urea plant is disclosed, where a minor portion () of the carbon dioxide feed is fed to the stripper () and used as a stripping agent. In further embodiments, another carbamate condenser is installed, or the conventional horizontal shell-and-tube carbamate condenser () is replaced with a vertical submerged unit.
Zardi, Federico. (2012). Method for the modernization of a urea production plant (U.S. Patent No. 8158823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8158823
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile