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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.:

US 10792583 B1

PDFFull Text
Date of Patent:
Oct. 06, 2020

Filed:

Mar. 28, 2019

Process and apparatus for controlling the split of liquid reflux in a divided wall column

Applicant:

Uop Llc, Des Plaines, IL (US);

Inventors:

Russell C. Schulz, Glen Ellyn, IL (US);

Chad A. Williams, Arlington Heights, IL (US);

James W. Harris, Palatine, IL (US);

Nikunj Manubhai Patel, Melrose Park, IL (US);

Assignee:

UOP LLC, Des Plains, IL (US);

Attorney:
Primary Examiner:

Jonathan Miller

Int. Cl.
CPC ...
B01D 3/14 (2006.01); B01D 3/42 (2006.01); C07C 39/04 (2006.01); C07C 37/74 (2006.01); C07C 37/52 (2006.01);
U.S. Cl.
CPC ...
B01D 3/141 (2013.01); B01D 3/4233 (2013.01); C07C 37/74 (2013.01); C07C 39/04 (2013.01); B01D 2257/7027 (2013.01); C07C 37/52 (2013.01);
Abstract

The present invention relates to the fractionation technology that is used to create purified phenol and acetone products. More specifically, the present invention relates to a fractionation technology that is used to create crude acetone and crude phenol streams using a dividing wall column intended to remove cumene, alpha-methyl styrene and water from the product side of the wall.

Find Patent Forward Citations

Schulz, Russell. (2020). Process and apparatus for controlling the split of liquid reflux in a divided wall column (U.S. Patent No. 10792583). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10792583

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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