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:
Nov. 04, 2025
Filed:
Feb. 04, 2020
Nouryon Chemicals International B.v., Arnhem, NL;
Eike Nicolas Kantzer, Uddevalla, SE;
Karl Fredrik Lake, Södertälje, SE;
Robert Kristoffer Berg, Rönninge, SE;
Rolf Krister Edvinsson, Partille, SE;
Antoon Jacob Berend Ten Kate, Arnhem, NL;
Ina Ehlers, Stenungsund, SE;
Hendrik Van Dam, Ede, NL;
Michiel Jozef Thomas Raaijmakers, Deventer, NL;
Rens Veneman, Amersfoort, NL;
Slavisa Jovic, Utrecht, NL;
Lawien Feisal Zubeir, Deventer, NL;
NOURYON CHEMICALS INTERNATIONAL B.V., Arnhem, NL;
Abstract
The present disclosure pertains to a process for manufacturing alkyleneamine compounds, comprising the steps of wherein A is selected from the group of C2 to C4 alkylene units, optionally substituted by one or more C1 to C3 alkyl groups, with an alkylhalide compound to form an alkyleneamine hydrohalide salt comprising at least one cyclic alkyleneurea group of formula I, the alkylhalide compound being selected from the group of haloalkanes with 2-6 halogen atoms, and haloaminoalkanes, and