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:
Apr. 14, 2020
Filed:
Dec. 12, 2016
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Bruno Delfort, Paris, FR;
Julien Grandjean, Lyons, FR;
IFP Energies Nouvelles, Rueil-Malmaison, FR;
Abstract
The invention relates to a synthesis method for at least one nitrogen compound belonging to the family of partly N-hydroxyethylated tertiary 1,6-hexanediamines with general formula (I) as follows: wherein radicals R, R, Rare each selected indiscriminately among a methyl radical and a hydroxyethyl radical, and at least one radical among R, R, Ris a methyl radical,comprising at least a first reaction between a first halogen atom-free precursor compound and a second halogen atom-free precursor compound. The first precursor compound comprises a carbon skeleton consisting of a linear sequence of 6 carbon atoms with the 4 central carbon atoms bonded each to 2 hydrogen atoms and the carbon atoms in alpha and omega position not bonded to a halogen atom.