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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 10800731 B1

PDFFull Text
Date of Patent:
Oct. 13, 2020

Filed:

Jul. 03, 2018

Process to prepare higher ethylene amines or urea derivatives thereof

Applicant:

Nouryon Chemicals International B.v., Arnhem, NL;

Inventors:

Rens Veneman, Deventer, NL;

Antoon Jacob Berend Ten Kate, Arnhem, NL;

Michiel Jozef Thomas Raaijmakers, Deventer, NL;

Eike Nicolas Kantzer, Uddevalla, SE;

Rolf Krister Edvinsson, Partille, SE;

Karl Fredrik Lake, Södertälje, SE;

Ina Ehlers, Ödsmål, SE;

Slavisa Jovic, Utrecht, NL;

Hendrik Van Dam, Frölunda, SE;

Lars Torbjörn Hagberg, Stockholm, SE;

Assignee:

NOURYON CHEMICALS INTERNATIONAL B.V., Arnhem, NL;

Attorney:

Lorenz & Kopf, LLP

Primary Examiner:

Sikarl A Witherspoon

Int. Cl.
CPC ...
C07C 209/00 (2006.01); C07C 211/00 (2006.01); C07C 209/16 (2006.01); C07D 263/20 (2006.01); C07D 233/36 (2006.01); C07C 211/14 (2006.01);
U.S. Cl.
CPC ...
C07C 209/16 (2013.01); C07C 211/14 (2013.01); C07D 233/36 (2013.01); C07D 263/20 (2013.01);
Abstract

A process is provided for preparing ethylene amines of the formula NH—(CH—NH—)H wherein p is at least 2, or derivatives thereof wherein one or more units —NH—CH—NH— are present as a cyclic ethylene urea unit The process includes reacting an ethanolamine-functional compound OH—(CH—NH—)H or HO—(CH—NH)—CH—OH wherein q is at least 1, and an amine-functional compound NH—(CH—NH—)H wherein r is at least 1, in the presence of a carbon oxide delivering agent and water, with a molar ratio of water:carbon oxide delivering agent of from about 0.01:1 to about 2:1.

Find Patent Forward Citations

Veneman, Rens. (2020). Process to prepare higher ethylene amines or urea derivatives thereof (U.S. Patent No. 10800731). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10800731

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

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