Patents by Inventor Johannes Hendrick Vleeming

Johannes Hendrick Vleeming 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).

  • Process for purifying a contaminated hydrochloric acid composition
    Patent number: 11352255
    Abstract: A purified hydrochloric acid composition is prepared from a stream of a contaminated hydrochloric acid composition by a process comprising a distillation treatment, wherein at least a first distillation column is operated at a first pressure and a second distillation column is operated at a second pressure, which second pressure is lower than the first pressure; wherein the contaminated hydrochloric acid composition comprises water, contaminants and hydrochloric acid in a first hydrochloric acid concentration of above the azeotropic composition of hydrochloric acid and water at the first pressure; wherein a part of the stream of the contaminated hydrochloric acid composition is fed into the first distillation column to yield a first bottom product comprising water and hydrochloric acid with a hydrochloric acid concentration below the first hydrochloric acid concentration and a first top product comprising hydrochloric acid in a concentration above the azeotropic hydrochloric acid composition at the first pres
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: June 7, 2022
    Assignee: Avantium Knowledge Centre B.V.
    Inventors: Benjamin McKay, Johannes Hendrick Vleeming, Wei Zhao
  • Process for Purifying a Contaminated Hydrochloric Acid Composition
    Publication number: 20190345032
    Abstract: A purified hydrochloric acid composition is prepared from a stream of a contaminated hydrochloric acid composition by a process comprising a distillation treatment, wherein at least a first distillation column is operated at a first pressure and a second distillation column is operated at a second pressure, which second pressure is lower than the first pressure; wherein the contaminated hydrochloric acid composition comprises water, contaminants and hydrochloric acid in a first hydrochloric acid concentration of above the azeotropic composition of hydrochloric acid and water at the first pressure; wherein a part of the stream of the contaminated hydrochloric acid composition is fed into the first distillation column to yield a first bottom product comprising water and hydrochloric acid with a hydrochloric acid concentration below the first hydrochloric acid concentration and a first top product comprising hydrochloric acid in a concentration above the azeotropic hydrochloric acid composition at the first pres
    Type: Application
    Filed: December 11, 2017
    Publication date: November 14, 2019
    Inventors: Benjamin McKay, Johannes Hendrick Vleeming, Wei Zhao