Patents by Inventor Joseph Jerome Puhr

Joseph Jerome Puhr 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).

  • Acrylic acid purification via dividing wall columns
    Patent number: 11214534
    Abstract: The present disclosure relates to a process for producing high-purity acrylic acid using a dividing wall distillation column and in some instances using water as an entrainer and azeotroping agent. This disclosure provides a process for separating acrylic acid from recovered feed streams which comprise saturated organic acids including propionic acid. The resulting acrylic acid product is of sufficient purity to produce acrylate esters and high molecular weight acrylic acid polymers.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: January 4, 2022
    Assignee: Eastman Chemical Company
    Inventors: Craig Alan Hoyme, Robert Scott Huss, Joseph Jerome Puhr
  • Separation of propionic acid from acrylic acid via azeotropic distillation
    Patent number: 10968160
    Abstract: The present disclosure relates to a process for producing high-purity acrylic acid using azeotropic distillation and using water as an entrainer. This disclosure provides a process for separating acrylic acid from recovered feed streams which comprise acrylic acid and saturated organic acids including propionic acid. The resulting acrylic acid product is of sufficient purity to produce acrylate esters and high molecular weight acrylic acid polymers.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: April 6, 2021
    Assignee: Eastman Chemical Company
    Inventors: Craig Alan Hoyme, Joseph Jerome Puhr, Robert Sterling Kline
  • ACRYLIC ACID PURIFICATION VIA DIVIDING WALL COLUMNS
    Publication number: 20200385329
    Abstract: The present disclosure relates to a process for producing high-purity acrylic acid using a dividing wall distillation column and in some instances using water as an entrainer and azeotroping agent. This disclosure provides a process for separating acrylic acid from recovered feed streams which comprise saturated organic acids including propionic acid. The resulting acrylic acid product is of sufficient purity to produce acrylate esters and high molecular weight acrylic acid polymers.
    Type: Application
    Filed: December 15, 2017
    Publication date: December 10, 2020
    Applicant: Eastman Chemical Company
    Inventors: Craig Alan Hoyme, Robert Scott Huss, Joseph Jerome Puhr
  • SEPARATION OF PROPIONIC ACID FROM ACRYLIC ACID VIA AZEOTROPIC DISTILLATION
    Publication number: 20200115312
    Abstract: The present disclosure relates to a process for producing high-purity acrylic acid using azeotropic distillation and using water as an entrainer. This disclosure provides a process for separating acrylic acid from recovered feed streams which comprise acrylic acid and saturated organic acids including propionic acid. The resulting acrylic acid product is of sufficient purity to produce acrylate esters and high molecular weight acrylic acid polymers.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 16, 2020
    Applicant: Eastman Chemical Company
    Inventors: Craig Alan Hoyme, Joseph Jerome Puhr, Robert Sterling Kline