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.

Date of Patent:
Dec. 01, 2020

Filed:

Jun. 26, 2014
Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Bruce S. Holden, Midland, MI (US);

John W. Wilchek, Jr., Destrehan, LA (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/00 (2006.01); B01D 3/22 (2006.01); C07C 67/54 (2006.01); B01D 3/24 (2006.01);
U.S. Cl.
CPC ...
C07C 67/54 (2013.01); B01D 3/009 (2013.01); B01D 3/22 (2013.01); B01D 3/24 (2013.01);
Abstract

Disclosed herein is a fouling-resistant system for the manufacture of a compound by distillation, the system including a reactant heating zone; a distillation column in fluid communication with the reactant heating zone wherein the distillation column comprises a plurality of distillation trays for removing by-products from the reactants, and wherein at least 20% of the plurality of distillation trays are baffle trays arranged in a staggered configuration; where each tray contacts an opposing portion of an inner wall of the distillation column from a portion contacted by a tray located above the tray and below the tray; and wherein the baffle trays are disposed in a lower portion of the distillation column.


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