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:
Dec. 27, 2022
Filed:
Nov. 07, 2019
Applicant:
Casale SA, Lugano, CH;
Inventor:
Leonardo Marrone, Mercallo, IT;
Assignee:
Casale SA, Lugano, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 273/16 (2006.01); B01J 19/24 (2006.01); C07C 273/04 (2006.01); B01D 1/22 (2006.01); B01D 9/00 (2006.01);
U.S. Cl.
CPC ...
C07C 273/16 (2013.01); B01D 1/22 (2013.01); B01D 9/00 (2013.01); B01J 19/2465 (2013.01); C07C 273/04 (2013.01); B01D 2009/0086 (2013.01); B01J 2219/00024 (2013.01); B01J 2219/00108 (2013.01); B01J 2219/00162 (2013.01);
Abstract
A process for synthesis of urea from COand NHwherein a steam flow () produced in the condenser () of a high-pressure synthesis loop is compressed to raise its pressure and temperature before using the steam as a heat source for a downstream step of the process.