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:
Jun. 15, 2021
Filed:
Jun. 14, 2018
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Chunqing Liu, Arlington Heights, IL (US);
Simon E. Albo, Evanston, IL (US);
David W. Greer, Cary, IL (US);
Xueliang Dong, Schaumburg, IL (US);
Mark M. Davis, Highland Park, IL (US);
Assignee:
UOP LLC, Des Plaines, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 71/02 (2006.01); B01D 71/64 (2006.01); B01D 71/68 (2006.01);
U.S. Cl.
CPC ...
B01D 53/228 (2013.01); B01D 53/225 (2013.01); B01D 71/028 (2013.01); B01D 71/64 (2013.01); B01D 71/68 (2013.01); B01D 2221/04 (2013.01); B01D 2257/304 (2013.01); B01D 2257/504 (2013.01); B01D 2325/02 (2013.01);
Abstract
A multistage membrane system and a process for treating a gas stream is provided in which the multistage membrane system comprises at least two membrane units wherein a first stage membrane unit comprises a polymeric membrane and a second membrane unit comprises a microporous zeolitic inorganic membrane or a combination of a microporous zeolitic inorganic membrane and a polymeric membrane.