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. 14, 2020
Filed:
Dec. 05, 2016
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Bruno Delfort, Paris, FR;
Antoine Nicola, Lyons, FR;
Thierry Huard, Saint Symphorien D'ozon, FR;
Aurelie Wender, Rueil-Malmaison, FR;
Catherine Lefebvre, Le Pecq, FR;
Nicolas Laloue, Lyons, FR;
Karine Gaillard, Lyons, FR;
IFP Energies nouvelles, Rueil-Malmaison, FR;
Abstract
The invention concerns novel polyamines having formula (I) obtained from the reaction between a polyol diglycidylether and piperazine: in which n is a whole number between 0 and 30, Rhas different forms, Rhas formula (g), and Rhas formula (g) when n=0 The invention also concerns their preparation method and their use in an absorbing solution based on amines in order to selectively eliminate HS from a gaseous effluent containing HS and CO.