Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Reexamination Certificate
2008-05-20
2008-05-20
Vanoy, Timothy C. (Department: 1793)
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
C423S228000, C423S229000, C423S236000, C423S242700, C252S182120, C252S184000, C252S189000, C252S190000, C210S749000, C210S750000, C208S20800M, C208S236000, C208S237000, C048S127300, C048S127500
Reexamination Certificate
active
07374734
ABSTRACT:
The disclosure relates to an absorbent for removing acid gases from fluids. The absorbent contains at least one tertiary amine, an amine which is selected from hydroxyethylpiperazine, bis(hydroxyethylpiperazine) or a mixture of these and piperazine. The absorbent may optionally contain a physical solvent for the acid gases.
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International Search Report.
Asprion Norbert
Grossman Christoph
BASF - Aktiengesellschaft
Connolly Bove Lodge and Hutz
Vanoy Timothy C.
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