Patents by Inventor Dimitris Ioannis Collias

Dimitris Ioannis Collias 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).

  • FILTERS COMPRISING AN ACTIVATED CARBON PARTICLE COATED WITH PDADMAC AND METHODS OF MAKING SAME
    Publication number: 20170144132
    Abstract: Embodiments of systems and methods for producing a coated activated carbon comprise the steps of providing activated carbon particles having a particle size up to about 100 ?m, and coating the activated carbon particles by spraying droplets of a cationic polymer solution onto the surface of the activated carbon particles, wherein the cationic polymer solution comprises about 1% to about 15% by weight cationic polymer and the droplet size is between about 5 ?m to about 100 ?m.
    Type: Application
    Filed: February 3, 2017
    Publication date: May 25, 2017
    Inventors: Andrew Thomas Pearks, Aloysius Ike Ononye, Michael Donovan Mitchell, Dimitris Ioannis Collias, David William Bjorkquist, Peter William Beerse
  • Poly(acrylic acid) from bio-based acrylic acid and its derivatives
    Patent number: 9630901
    Abstract: Bio-based glacial acrylic acid, produced from hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof and having impurities of hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof, is polymerized to poly(acrylic acid) or superabsorbent polymer using the same processes as petroleum-derived glacial acrylic acid.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: April 25, 2017
    Assignee: The Procter & Gamble Company
    Inventors: Jane Ellen Godlewski, Janette Villalobos, Dimitris Ioannis Collias, Axel Meyer, Peter Dziezok, Juan Estaban Velasquez
  • Plastic packages for dispensing aerosol products having improved crazing resistance and sustainability
    Patent number: 9622563
    Abstract: A plastic package for dispensing a product in aerosol form having improved crazing resistance and sustainability is disclosed. The plastic package comprises a bottle having a delivery device, a valve to control flow, and a stable plastic package that holds the product when sealed using the valve. In one embodiment, at least a portion of the plastic package comprises PEF.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 18, 2017
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Patti Jean Kellett, Emily Charlotte Boswell
  • Bio-based acrylic acid and its derivatives
    Patent number: 9611208
    Abstract: Lactic acid, lactic acid derivatives, or mixtures thereof are dehydrated using a catalyst and process to produce bio-acrylic acid, acrylic acid derivatives, or mixtures thereof. A method to produce the catalyst is also provided.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: April 4, 2017
    Assignee: The Procter & Gamble Company
    Inventors: Juan Esteban Velasquez, Dimitris Ioannis Collias, Jane Ellen Godlewski, Janette Villalobos Lingoes
  • Catalytic Dehydration Of Hydroxypropionic Acid And Its Derivatives
    Publication number: 20170057900
    Abstract: Hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof are dehydrated using a catalyst and a method to produce bio-acrylic acid, acrylic acid derivatives, or mixtures thereof. A method to produce the dehydration catalyst is also provided.
    Type: Application
    Filed: August 29, 2016
    Publication date: March 2, 2017
    Inventors: Juan Esteban Velasquez, Dimitris Ioannis Collias, Jane Ellen Godlewski, Fred Christian Wireko
  • Catalysts For The Dehydration Of Hydroxypropionic Acid And Its Derivatives
    Publication number: 20170056863
    Abstract: Hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof are dehydrated using a catalyst and a method to produce bio-acrylic acid, acrylic acid derivatives, or mixtures thereof. A method to produce the dehydration catalyst is also provided.
    Type: Application
    Filed: August 29, 2016
    Publication date: March 2, 2017
    Inventors: Juan Esteban Velasquez, Dimitris Ioannis Collias, Jane Ellen Godlewski
  • Catalysts For The Dehydration Of Hydroxypropionic Acid And Its Derivatives
    Publication number: 20170056862
    Abstract: Hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof are dehydrated using a catalyst and a method to produce bio-acrylic acid, acrylic acid derivatives, or mixtures thereof. A method to produce the dehydration catalyst is also provided.
    Type: Application
    Filed: August 29, 2016
    Publication date: March 2, 2017
    Inventors: Juan Esteban Velasquez, Dimitris Ioannis Collias, Jane Ellen Godlewski, Fred Christian Wireko
  • Catalytic Dehydration Of Hydroxypropionic Acid And Its Derivatives
    Publication number: 20170057901
    Abstract: Hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof are dehydrated using a catalyst and a method to produce bio-acrylic acid, acrylic acid derivatives, or mixtures thereof. A method to produce the dehydration catalyst is also provided.
    Type: Application
    Filed: August 29, 2016
    Publication date: March 2, 2017
    Inventors: Juan Esteban Velasquez, Dimitris Ioannis Collias, Jane Ellen Godlewski, Fred Christian Wireko
  • Method for the production of acrylic acid or its derivatives
    Patent number: 9505697
    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: Grant
    Filed: March 15, 2013
    Date of Patent: November 29, 2016
    Assignee: The Procter & Gamble Company
    Inventors: Juan Esteban Velasquez, Janette Villalobos Lingoes, Dimitris Ioannis Collias, Jane Ellen Godlewski
  • Process for production of acrylic acid or its derivatives
    Patent number: 9452967
    Abstract: Processes for the catalytic dehydration of 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, propanoic acid, and acetic acid, are provided.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 27, 2016
    Assignee: The Procter & Gamble Company
    Inventors: Jane Ellen Godlewski, Janette Villalobos, Dimitris Ioannis Collias, Juan Estaban Velasquez
  • Catalysts and processes for the production of aromatic compounds from lignin
    Patent number: 9452422
    Abstract: Hydrotreating catalysts and processes useful for the conversion of methoxylated aromatic compounds to simple aromatic compounds are provided. The catalysts comprise transition metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals, Group 11 metals, and mixtures thereof, and catalyst support selected from the group consisting of shape-selective zeolite, silica, titania, zirconia, and mixtures thereof.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: September 27, 2016
    Assignee: The Procter & Gamble Company
    Inventors: Patti Jean Kellett, Dimitris Ioannis Collias
  • Bi-Component Catalyst And Method For Dehydrating Lactic Acid To Acrylic Acid
    Publication number: 20160264505
    Abstract: Bicomponent catalysts and methods for making bio-based acrylic acid, acrylic acid derivatives, or mixtures thereof from lactic acid, lactic acid derivatives, or mixtures thereof are provided.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 15, 2016
    Inventors: Dimitris Ioannis Collias, Jeffrey Charles Hayes, William David Laidig
  • Production Of Terephthalic Acid Via Reductive Coupling Of Propiolic Acid Or Propiolic Acid Derivatives
    Publication number: 20160264506
    Abstract: A method of making terephthalic acid via reductive coupling of two molecules of propiolic acid or propiolic acid derivatives is presented. The reductive coupling can be catalyzed by compounds comprising metals, and propiolic acid or propiolic acid derivatives can be produced from acetylene and carbon dioxide. At least 4 of the 8 carbons in the terephthalic acid are non-fossil-derived.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 15, 2016
    Inventors: Jeffrey Charles Hayes, Hairong Guan, Dimitris Ioannis Collias
  • Method For The Dehydration Of Lactate Salt To Acrylic Acid Or Acrylic Salt
    Publication number: 20160264507
    Abstract: Methods for catalytically dehydrating lactate salt to acrylic acid, acrylate salt, 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 include acid-base bifunctional catalysts.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 15, 2016
    Inventors: Dimitris Ioannis Collias, Juan Esteban Velasquez, Jane Ellen Godlewski, Jeffrey Charles Hayes, William David Laidig
  • Compounds and methods for the production of long chain hydrocarbons from biological sources
    Patent number: 9422207
    Abstract: The present invention is directed to the preparation of oxygenated, unsaturated hydrocarbon compounds, such as derivatives of furfural or hydroxymethyl furfural produced by aldol condensation with a ketone or a ketoester, as well as methods of deoxidatively reducing those compounds with hydrogen under acidic conditions to provide saturated hydrocarbons useful as fuels.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 23, 2016
    Assignees: Los Alamos National Security, LLC, The Proctor & Gamble Company
    Inventors: John Cameron Gordon, Louis A. Silks, Andrew D. Sutton, Ruilian Wu, Marcel Schlaf, Fraser Waldie, Ryan West, Dimitris Ioannis Collias
  • Process for production of acrylic acid or its derivatives from hydroxypropionic acid or its derivatives
    Patent number: 9422222
    Abstract: Processes for the catalytic dehydration of 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, propanoic acid, and acetic acid, are provided.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: August 23, 2016
    Assignee: The Procter & Gamble Company
    Inventors: Jane Ellen Godlewski, Janette Villalobos, Dimitris Ioannis Collias, Juan Estaban Velasquez
  • Process For Production Of Acrylic Acid Or Its Derivatives
    Publication number: 20160107974
    Abstract: Processes for the catalytic dehydration of 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, propanoic acid, and acetic acid, are provided. The processes can be carried out either in a gas phase or in a liquid phase.
    Type: Application
    Filed: December 16, 2015
    Publication date: April 21, 2016
    Inventors: Jane Ellen Godlewski, Janette Villalobos Lingoes, Dimitris Ioannis Collias, Juan Esteban Velasquez
  • Purification Of Bio Based Acrylic Acid To Crude And Glacial Acrylic Acid
    Publication number: 20160031793
    Abstract: Processes for the purification of bio-based acrylic acid to crude and glacial acrylic acid are provided. The bio-based acrylic acid is produced from hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof. The purification includes some or all of the following processes: extraction, drying, distillation, and melt crystallization. The produced glacial or crude acrylic acid contains hydroxypropionic, hydroxypropionic acid derivatives, or mixtures thereof as an impurity.
    Type: Application
    Filed: October 1, 2015
    Publication date: February 4, 2016
    Inventors: Jane Ellen Godlewski, Janette Villalobos Lingoes, Juan Estaban Velasquez, Dimitris Ioannis Collias
  • Mixtures of C10-C13 alkylphenyl sulfonates
    Patent number: 9193937
    Abstract: The invention is directed to mixtures comprising C10-C13 alkylphenyl sulfonates having alkyl groups in a particular distribution (e.g., bimodal, peaked, and skewed). These C10-C13 alkylphenyl sulfonates are optionally renewable and unexpectedly provide superior results when used in consumer product cleaning and personal care compositions (e.g., dishcare, laundry, hard surface cleaners, shampoos, conditioners, and soaps). The invention is further directed to a method of making a mixture of partially or wholly renewable C10-C13 alkylphenyl sulfonates having a particular alkyl group distribution.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: November 24, 2015
    Assignee: The Procter & Gamble Company
    Inventors: Jeffrey John Scheibel, Phillip Richard Green, Jiten Odhavji Dihora, Phillip Kyle Vinson, Stephanie Ann Urbin, Dimitris Ioannis Collias
  • Purification Of Bio Based Acrylic Acid To Crude And Glacial Acrylic Acid
    Publication number: 20150329462
    Abstract: Processes for the purification of bio-based acrylic acid to crude and glacial acrylic acid are provided. The bio-based acrylic acid is produced from hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof. The purification includes some or all of the following processes: extraction, drying, distillation, and melt crystallization. The produced glacial or crude acrylic acid contains hydroxypropionic, hydroxypropionic acid derivatives, or mixtures thereof as an impurity.
    Type: Application
    Filed: July 29, 2015
    Publication date: November 19, 2015
    Inventors: Jane Ellen Godlewski, Janette Villalobos, Juan Estaban Velasquez, Dimitris Ioannis Collias