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. 19, 2017
Filed:
Mar. 15, 2016
Applicant:
Casale SA, Lugano, CH;
Inventors:
Assignee:
Casale SA, , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 251/60 (2006.01); C07D 251/62 (2006.01); C07C 273/12 (2006.01); B01J 19/24 (2006.01); C07C 273/16 (2006.01);
U.S. Cl.
CPC ...
C07D 251/62 (2013.01); B01J 19/245 (2013.01); C07C 273/12 (2013.01); C07C 273/16 (2013.01); B01J 2219/24 (2013.01); Y02P 20/125 (2015.11); Y02P 20/582 (2015.11);
Abstract
In an integrated process for urea and melamine production, urea is produced in a urea plant () comprising a high pressure urea synthesis section () from which an aqueous solution comprising urea, ammonium carbamate and ammonia is obtained and a urea recovery section () operating at low pressure, and melamine is produced in a melamine plant () wherein off-gases resulting as by-products of the melamine synthesis are discharged from said plant at a medium pressure and recycled to the high-pressure urea synthesis section ().
Zardi, Federico. (2017). Integrated process for urea and melamine production (U.S. Patent No. 9765041). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9765041
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile