Patents by Inventor Donald James Loftus

Donald James Loftus 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 producing sulfuric acid with low levels of nitrogen oxides
    Patent number: 8815202
    Abstract: A process for producing sulfuric acid with reduced levels of nitrogen oxides (NOx) within a typical sulfuric acid production line. A hydrazine source material can be mixed with a sulfuric acid effluent at a temperature of at least about 90° C. for a period of at least 1 minute to reduce the level of NOx is the sulfuric acid effluent.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: August 26, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Hasan Dindi, Donald James Loftus
  • PROCESS FOR PRODUCING SULFURIC ACID WITH LOW LEVELS OF NITROGEN OXIDES
    Publication number: 20140056802
    Abstract: A process for producing sulfuric acid with reduced levels of nitrogen oxides (NOx) within a typical sulfuric acid production line. A hydrazine source material can be mixed with a sulfuric acid effluent at a temperature of at least about 90° C. for a period of at least 1 minute to reduce the level of NOx is the sulfuric acid effluent.
    Type: Application
    Filed: August 19, 2013
    Publication date: February 27, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Hasan Dindi, Donald James Loftus