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:
Mar. 12, 2019
Filed:
Oct. 24, 2014
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Christophe R. Laroche, Lake Jackson, TX (US);
Gerardo Padilla, Lake Jackson, TX (US);
John R. Dowdle, Lake Jackson, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 21/06 (2006.01); B01D 53/14 (2006.01); C10L 3/10 (2006.01);
U.S. Cl.
CPC ...
B01D 53/1493 (2013.01); B01D 53/1468 (2013.01); C10G 21/06 (2013.01); C10L 3/103 (2013.01); B01D 2252/10 (2013.01); B01D 2252/2023 (2013.01); B01D 2252/2025 (2013.01); B01D 2252/2056 (2013.01); B01D 2252/20426 (2013.01); B01D 2252/20431 (2013.01); B01D 2252/20489 (2013.01); B01D 2252/504 (2013.01); B01D 2252/606 (2013.01); B01D 2252/608 (2013.01); B01D 2256/24 (2013.01); B01D 2256/245 (2013.01); B01D 2257/302 (2013.01); B01D 2257/304 (2013.01); B01D 2257/306 (2013.01); B01D 2257/308 (2013.01); C10L 2290/541 (2013.01);
Abstract
A method of treating oil and gas streams including hydrogen sulfide (HS) comprising treating the gas stream with an aqueous solution of an amine and a physical solvent which, when mixed in equal mass ratio with the amine or amine mixture, display a dielectric constant of at least about 20, wherein the pKa of the amine is at least about 9.0 and the amine boiling point is at least 200° C.