Patents by Inventor Emilia U. Ugwu

Emilia U. Ugwu 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).

  • Aldehyde-amine formulations and method for making and using same
    Patent number: 8093431
    Abstract: A novel method for producing amine-aldehyde sulfur scavenging compositions are disclosed, where the method comprises contacting an amine containing component and a aldehyde containing component in the presence of an alcohol at an amine to aldehyde ratio of between about 0.8 and 0.45 for a reaction time and at a reaction temperatures sufficient to produce an amine-aldehyde adduct product having a specific gravity between about 3% and 7% less than the specific gravity of a mixture of starting materials.
    Type: Grant
    Filed: February 2, 2009
    Date of Patent: January 10, 2012
    Assignee: Clearwater International LLC
    Inventors: Olusegun Matthew Falana, Ray Veldman, Frank Zamora, Emilia U. Ugwu, Zoraida Vazquez
  • HIGH DENSITY PHOSPHATE BRINES AND METHODS FOR MAKING AND USING SAME
    Publication number: 20100305010
    Abstract: New heavy phosphate brines are disclosed, where the water soluble phosphate brines include two or more metal phosphate. Methods for making and using the heavy phosphate brines in drilling, completion, and fracturing operations are also disclosed.
    Type: Application
    Filed: May 28, 2009
    Publication date: December 2, 2010
    Applicant: CLEARWATER INTERNATIONAL, LLC
    Inventors: Olusegun M. Falana, Emilia U. Ugwu, Ray Veldman, Frank Zamora, Arthur T. Gilmer
  • ALDEHYDE-AMINE FORMULATIONS AND METHOD FOR MAKING AND USING SAME
    Publication number: 20100197968
    Abstract: A novel method for producing amine-aldehyde sulfur scavenging compositions are disclosed, where the method comprises contacting an amine containing component and a aldehyde containing component in the presence of an alcohol at an amine to aldehyde ratio of between about 0.8 and 0.45 for a reaction time and at a reaction temperatures sufficient to produce an amine-aldehyde adduct product having a specific gravity between about 3% and 7% less than the specific gravity of a mixture of starting materials.
    Type: Application
    Filed: February 2, 2009
    Publication date: August 5, 2010
    Inventors: Olusegun Matthew Falana, Ray Veldman, Frank Zamora, Emilia U. Ugwu, Zoraida Vazquez