Patents by Inventor John W. WILCHEK, JR.

John W. WILCHEK, JR. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fouling-resistant distillation column and process for the manufacture of compounds
    Patent number: 10851041
    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.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: December 1, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Bruce S. Holden, John W. Wilchek, Jr.
  • FOULING-RESISTANT DISTILLATION COLUMN AND PROCESS FOR THE MANUFACTURE OF COMPOUNDS
    Publication number: 20160368852
    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.
    Type: Application
    Filed: June 26, 2014
    Publication date: December 22, 2016
    Inventors: Bruce S. HOLDEN, John W. WILCHEK, JR.