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. 10, 2018
Filed:
Jan. 30, 2015
Applicant:
Casale SA, Lugano, CH;
Inventor:
Enrico Rizzi, Casnate con Bernate, IT;
Assignee:
Casale SA, Lugano, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 251/62 (2006.01); C07D 251/60 (2006.01); B01J 19/24 (2006.01); B01J 4/02 (2006.01); B01J 3/04 (2006.01); B01J 10/00 (2006.01);
U.S. Cl.
CPC ...
C07D 251/60 (2013.01); B01J 3/04 (2013.01); B01J 4/02 (2013.01); B01J 10/00 (2013.01); B01J 19/246 (2013.01); C07D 251/62 (2013.01); B01J 2219/24 (2013.01);
Abstract
A reactor and associated process for the high-pressure synthesis of melamine from urea, comprising a primary step of conversion of the urea into crude melamine inside a first chamber delimited by a shell inside a reactor body and a secondary step of stripping said crude melamine melt inside a second reaction chamber, which is coaxial with and situated outside said first chamber, inside the same reactor body.