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:
Nov. 12, 2019
Filed:
Jun. 29, 2018
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Stanley J. Frey, Palatine, IL (US);
Chunqing Liu, Arlington Heights, IL (US);
Trung Pham, Mount Prospect, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 7/04 (2006.01); B01D 3/14 (2006.01); B01D 3/32 (2006.01); B01D 3/42 (2006.01); B01D 69/10 (2006.01); C07C 11/06 (2006.01);
U.S. Cl.
CPC ...
C07C 7/04 (2013.01); B01D 3/141 (2013.01); B01D 3/145 (2013.01); B01D 3/148 (2013.01); B01D 3/322 (2013.01); B01D 3/324 (2013.01); B01D 3/4244 (2013.01); B01D 69/10 (2013.01); C07C 11/06 (2013.01); B01D 2256/24 (2013.01); B01D 2257/30 (2013.01); B01D 2257/55 (2013.01); B01D 2257/7022 (2013.01); B01D 2257/80 (2013.01); B01D 2323/28 (2013.01); B01D 2325/02 (2013.01); B01D 2325/36 (2013.01);
Abstract
The present invention relates to a combined C3/C4 splitter with a membrane system. More specifically, the present invention relates to a combined C3/C4 splitter column to separate highly pure propylene product from a liquefied petroleum gas stream, which eliminates a C3 splitter having over 120 trays and the additional equipment that a C3 splitter requires.