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:
Jan. 27, 2026
Filed:
Apr. 08, 2022
Applicants:
Basf SE, Ludwigshafen am Rhein, DE;
Dow Global Technologies Llc, Midland, MI (US);
Inventor:
Werner J. Witzl, Stade, DE;
Assignees:
BASF SE, Ludwigshafen am Rhein, DE;
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/09 (2006.01); B01J 20/16 (2006.01);
U.S. Cl.
CPC ...
C07C 7/09 (2013.01); B01J 20/165 (2013.01); B01J 2523/41 (2013.01); B01J 2523/47 (2013.01);
Abstract
The present invention relates to a process for recovering propylene from a gaseous stream comprising propylene and a light-boiling compound, the light-boiling compound having a boiling point at 1013 mbar (abs.) below −50° C., in a condensing unit, wherein the condensing unit has a first zone, preferably being a condensing zone, and a second zone, preferably being an evaporation zone, wherein first and second zone are spatially separated from each other but are thermally conductive coupled to each other, the process comprising