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:
Jul. 19, 2022
Filed:
Aug. 07, 2018
Nouryon Chemicals International B.v., Arnhem, NL;
Ina Ehlers, Stenungsund, SE;
Eike Nicolas Kantzer, Uddevalla, SE;
Rolf Krister Edvinsson, Partille, SE;
Hendrik Van Dam, Ede, NL;
Karl Fredrik Lake, Södertälje, SE;
Antoon Jacob Berend Ten Kate, Arnhem, NL;
Michiel Jozef Thomas Raaijmakers, Deventer, NL;
Rens Veneman, Amersfoort, NL;
Slavisa Jovic, Utrecht, NL;
NOURYON CHEMICALS INTERNATIONAL B.V., Arnhem, NL;
Abstract
A process is provided to prepare propylene amines of the formula NH—(A-NH—)R, wherein R is a hydrogen atom or an alkyl group, p is at least 1 when R is an alkyl group, and at least 2 when R is a hydrogen atom, or derivatives or precursors thereof wherein one or more units —NH-A-NH— may be present as a cyclic urea unit