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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.:

US 11746084 B1

PDFFull Text
Date of Patent:
Sep. 05, 2023

Filed:

Jul. 03, 2020

Ferritic steel parts in urea plants

Applicant:

Stamicarbon B.v., Sittard, NL;

Inventors:

Kirk Anguah Ofei, Eindhoven, NL;

Alexander Aleida Antonius Scheerder, Roosteren, NL;

Assignee:

STAMICARBON B.V., Sittard, NL;

Attorney:

LEASON ELLIS LLP

Primary Examiner:

Amy C Bonaparte

Int. Cl.
CPC ...
C07C 273/04 (2006.01); C07C 273/16 (2006.01); B01D 1/06 (2006.01); B01D 3/34 (2006.01); B01J 19/00 (2006.01); B01J 19/02 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/48 (2006.01); C22C 38/26 (2006.01); B22F 7/06 (2006.01);
U.S. Cl.
CPC ...
C07C 273/04 (2013.01); B01D 1/065 (2013.01); B01D 3/346 (2013.01); B01J 19/0013 (2013.01); B01J 19/02 (2013.01); C07C 273/16 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/26 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/48 (2013.01); B01J 2219/00081 (2013.01); B01J 2219/0286 (2013.01); B22F 7/064 (2013.01); B22F 2301/35 (2013.01); C21D 2211/005 (2013.01);
Abstract

The application provides in an aspect a process for producing urea in a urea plant comprising a high pressure synthesis section comprising a reactor, wherein the process comprises reacting NHfeed and COfeed under urea formation conditions in said reactor to form a urea synthesis solution comprising urea, water, carbamate and ammonia, wherein the process further comprises contacting a carbamate-containing liquid stream with an equipment part of said high pressure synthesis section that is made of a ferritic steel alloy.

Find Patent Forward Citations

Ofei, Kirk. (2023). Ferritic steel parts in urea plants (U.S. Patent No. 11746084). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11746084

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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