Patents by Inventor Tom Varadi

Tom Varadi 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).

  • Hydrocarbon treatment process
    Patent number: 9458392
    Abstract: In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at least one alcohol in a non-dispersive mixing apparatus wherein an upgraded hydrocarbon containing the disulfide oils is produced.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: October 4, 2016
    Assignee: MERICHEM COMPANY
    Inventors: Tiejun Zhang, K. Michael Hardy, V. Keith Turner, Ignacio C. Bincaz, Tom Varadi
  • HYDROCARBON TREATMENT PROCESS
    Publication number: 20150048006
    Abstract: In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at least one alcohol in a non-dispersive mixing apparatus wherein an upgraded hydrocarbon containing the disulfide oils is produced.
    Type: Application
    Filed: November 3, 2014
    Publication date: February 19, 2015
    Inventors: Tiejun Zhang, K. Michael Hardy, V. Keith Turner, Ignacio C. Bincaz, Tom Varadi
  • Apparatus for treating a waste stream
    Patent number: 8906230
    Abstract: An integrated unit operations for the treatment of a waste stream, such as spent caustic, is provided in a single vertical vessel having at least three separate zones: a mixing, a settling, and a mass transfer zone.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: December 9, 2014
    Assignee: Merichem Company
    Inventors: Tom Varadi, Marie-Cecile Medine, Arturo Ramon Puigbo, Ramiro G. Vazquez, Tiejun Zhang, James F. McGehee
  • Hydrocarbon treatment process
    Patent number: 8900446
    Abstract: In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at least one alcohol in a non-dispersive mixing apparatus wherein an upgraded hydrocarbon containing the disulfide oils is produced.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: December 2, 2014
    Assignee: Merichem Company
    Inventors: Tiejun Zhang, K. Michael Hardy, V. Keith Turner, Ignacio C. Bincaz, Tom Varadi
  • APPARATUS FOR TREATING A WASTE STREAM
    Publication number: 20120273405
    Abstract: An integrated unit operations for the treatment of a waste stream, such as spent caustic, is provided in a single vertical vessel having at least three separate zones: a mixing, a settling, and a mass transfer zone.
    Type: Application
    Filed: July 12, 2012
    Publication date: November 1, 2012
    Applicant: MERICHEM COMPANY
    Inventors: Tom Varadi, Marie-Cecile Medine, Arturo Ramon Puigbo
  • Apparatus for treating a waste stream
    Patent number: 8298429
    Abstract: An integrated unit operations for the treatment of a waste stream, such as spent caustic, is provided in a single vertical vessel having at least three separate zones: a mixing, a settling, and a mass transfer zone.
    Type: Grant
    Filed: April 24, 2010
    Date of Patent: October 30, 2012
    Assignee: Merichem Company
    Inventors: Tom Varadi, Marie-Cecile Medine, Arturo Ramon Puigbo, Ramiro G. Vazquez
  • HYDROCARBON TREATMENT PROCESS
    Publication number: 20110163008
    Abstract: In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at least one alcohol in a non-dispersive mixing apparatus wherein an upgraded hydrocarbon containing the disulfide oils is produced.
    Type: Application
    Filed: January 31, 2011
    Publication date: July 7, 2011
    Applicant: MERICHEM COMPANY
    Inventors: Tiejun Zhang, K. Michael Hardy, V. Keith Turner, Ignacio C. Bincaz, Tom Varadi
  • Hydrocarbon Treatment Process
    Publication number: 20110127194
    Abstract: In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at least one alcohol in a non-dispersive mixing apparatus wherein an upgraded hydrocarbon containing the disulfide oils is produced.
    Type: Application
    Filed: November 30, 2009
    Publication date: June 2, 2011
    Inventors: Tiejun Zhang, K. Michael Hardy, V. Keith Turner, Ignacio C. Bincaz, Tom Varadi
  • Apparatus for treating a waste stream
    Patent number: 7828962
    Abstract: An integrated unit operations for the treatment of a waste stream, such as spent caustic, is provided in a single vertical vessel having at least three separate zones: a mixing, a settling, and a mass transfer zone.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: November 9, 2010
    Assignee: Merichem Company
    Inventors: Tom Varadi, Marie-Cecile Medine, Arturo Ramon Puigbo, Ramiro G. Vazquez
  • APPARATUS FOR TREATING A WASTE STREAM
    Publication number: 20100200477
    Abstract: An integrated unit operations for the treatment of a waste stream, such as spent caustic, is provided in a single vertical vessel having at least three separate zones: a mixing, a settling, and a mass transfer zone.
    Type: Application
    Filed: April 24, 2010
    Publication date: August 12, 2010
    Applicant: MERICHEM COMPANY
    Inventors: Tom Varadi, Marie-Cecile Medine, Arturo Ramon Puigbo, Ramiro G. Vazauez
  • Apparatus for treating a waste stream
    Publication number: 20100122950
    Abstract: An integrated unit operations for the treatment of a waste stream, such as spent caustic, is provided in a single vertical vessel having at least three separate zones: a mixing, a settling, and a mass transfer zone.
    Type: Application
    Filed: November 20, 2008
    Publication date: May 20, 2010
    Inventors: Tom Varadi, Marie-Cecile Medine, Arturo Ramon Puigbo, Ramiro G. Vazauez