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:
Oct. 05, 2021
Filed:
May. 28, 2018
Applicant:
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Inventors:
Assignee:
IFP Energies Nouvelles, Rueil-Malmaison, FR;
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/06 (2006.01); C10L 3/10 (2006.01); B01D 53/78 (2006.01); B01D 53/14 (2006.01);
U.S. Cl.
CPC ...
C08G 73/0633 (2013.01); B01D 53/1468 (2013.01); B01D 53/78 (2013.01); C10L 3/103 (2013.01); C10L 2290/541 (2013.01);
Abstract
Polyamines of formula (I), 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, which polyamines are obtained by a reaction between piperazine and an epihalohydrin or a 1,3-dihalo-2-propanol