Patents by Inventor Dimitris Ioannis Collis

Dimitris Ioannis Collis 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).

  • Catalysts For The Production Of Acrylic Acid Or Its Derivatives
    Publication number: 20190176135
    Abstract: Catalysts for dehydrating hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof to acrylic acid, acrylic acid derivatives, or mixtures thereof with high yield and selectivity, short residence time, and without significant conversion to undesired side products, such as, for example, acetaldehyde, propionic acid, and acetic acid, are provided. The catalysts are mixed protonated monophosphates. Methods of preparing the catalysts are also provided.
    Type: Application
    Filed: March 15, 2013
    Publication date: June 13, 2019
    Applicant: THE PROCTER & GAMBLE COMPANY
    Inventors: Juan Estaban Velasquez, Janette Villalobos Lingoes, Dimitris Ioannis Collis, Jane Ellen Godlewski, Marc Andrew Mamak
  • Catalysts For The Production Of Acrylic Acid Or Its Derivatives
    Publication number: 20130274095
    Abstract: Catalysts for dehydrating hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof to acrylic acid, acrylic acid derivatives, or mixtures thereof with high yield and selectivity, short residence time, and without significant conversion to undesired side products, such as, for example, acetaldehyde, propionic acid, and acetic acid, are provided. The catalysts are mixed protonated monophosphates. Methods of preparing the catalysts are also provided.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 17, 2013
    Applicant: THE PROCTER & GAMBLE COMPANY
    Inventors: Juan Estaban Velasquez, Janette Villalobos Lingoes, Dimitris Ioannis Collis, Jane Ellen Godlewski, Marc Andrew Mamak
  • Method For The Production Of Acrylic Acid Or Its Derivatives
    Publication number: 20130274516
    Abstract: Methods for catalytically dehydrating hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof to acrylic acid, acrylic acid derivatives, or mixtures thereof with high yield and selectivity and without significant conversion to undesired side products, such as, acetaldehyde, propionic acid, and acetic acid, are provided. The catalysts are mixed monophosphates.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 17, 2013
    Applicant: THE PROCTER & GAMBLE COMPANY
    Inventors: Juan Estaban Velasquez, Janette Villalobos Lingoes, Dimitris Ioannis Collis, Jane Ellen Godlewski