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:
Dec. 15, 2020
Filed:
Apr. 24, 2020
Kirk F. Larson, Amherst, NY (US);
Paul W. Belanger, Clarence Center, NY (US);
Steven C. Brown, Williamsville, NY (US);
John P. Ricotta, Kenmore, NY (US);
Guang X. Chen, Williamsville, NY (US);
Richard D. Lenz, Tonawanda, NY (US);
Kirk F. Larson, Amherst, NY (US);
Paul W. Belanger, Clarence Center, NY (US);
Steven C. Brown, Williamsville, NY (US);
John P. Ricotta, Kenmore, NY (US);
Guang X. Chen, Williamsville, NY (US);
Richard D. Lenz, Tonawanda, NY (US);
PRAXAIR TECHNOLOGY, INC., Danbury, CT (US);
Abstract
An annular divided wall column is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall and radially spaced therefrom to define an annulus column region as the space between the first annular column wall and the second annular column wall. An interior core column region is also defined by the interior space of the second annular column wall. The present annular divided wall column further includes a plurality of packing elements, disposed within the interior core column region within the annulus column region having different surface area densities and optionally, also have different geometries.