Patents by Inventor Domingo R. Polanco

Domingo R. Polanco 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).

  • Viscous hydrocarbon-in-water emulsions
    Patent number: 4923483
    Abstract: Methods for the formation, processing, transportation and end use of a hydrocarbon-in-water emulsion.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: May 8, 1990
    Assignee: Intevep, S.A.
    Inventors: Ignacio A. Layrisse R., Domingo R. Polanco, Hercilio Rivas, Euler Jimenez G., Lirio Quintero, Jose Salazar P., Mayela Rivero, Antonio Cardenas, Maria L. Chirinos, Daysi Rojas, Humberto Marquez
  • Process for the regeneration of an additive used to control emissions during the combustion of high sulfur fuel
    Patent number: 4832701
    Abstract: A regenerating process comprises leaching a combustion ash with water so as to dissolve same and form a pregnant leach liquor containing the additive which is separated from the solid residue. The pregnant leach liquor is thereafter adjusted with a base precipitating agent so as to precipitate a compound of the additive which is then recovered by liquid solid separation. The process of the present invention is particularly useful for regenerating said recycling sulfur capturing additives used in hydrocarbon formulations which are burned as fuels, particularly, hydrocarbon in water emulsions formed from viscous hydrocarbon materials characterized by high sulfur and metals contents.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: May 23, 1989
    Assignee: Intevep, S.A.
    Inventors: Domingo R. Polanco, Cebers O. Bueno, Ramon Salazar, Felix A. S. Chamorra
  • Inflame desulfurization and denoxification of high sulfur containing fuels
    Patent number: 4824439
    Abstract: A process for the preparation of a liquid fuel and resulting fuel including a sulfur and nitrogen capturing additive consisting essentially of Na.sup.+, Fe.sup.++ and an element X selected from group consisting of Mg.sup.++, Ba.sup.++, Ca.sup.++, Li.sup.+, K.sup.+ and mixtures thereof wherein Na.sup.+ is present in an amount of less or equal to 40 wt. % based on the total weight of the water soluble additive Fe.sup.++ is present in an amount of greater than or equal to 0.4 wt. % based on the total weight of the water soluble additive with the balance essentially element X wherein the ratio of Na.sup.+ and Fe.sup.++ is about between 7.5:1.0 to 100:1.0.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: April 25, 1989
    Assignee: Intevep, S.A.
    Inventors: Domingo R. Polanco, Jose S. Perez, Euler J. Grazzina, Niomar Marcano
  • Process for the production and burning of a natural-emulsified liquid fuel
    Patent number: 4801304
    Abstract: A process for the preparation of a natural liquid fuel and, more particularly, a process that allows a high sulfur natural fuel to be converted into energy by combustion with a substantial reduction in sulfur oxide emissions.
    Type: Grant
    Filed: June 17, 1986
    Date of Patent: January 31, 1989
    Assignee: Intevep, S.A.
    Inventors: Domingo R. Polanco, Ignacio Layrisse, Hercilio Rivas, G. Euler Jimenez, Lirio Q. de Paz, Jose P. Salazar, Mayela Rivero, Emilio Guevara, Maria L. Chirinos
  • Viscous hydrocarbon-in-water emulsions
    Patent number: 4795478
    Abstract: Method for the formation, processing, transportation and end use of a hydrocarbon-in-water emulsion.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: January 3, 1989
    Assignee: Intevep, S.A.
    Inventors: Ignacio A. Layrisse R., Domingo R. Polanco, Hercilio Rivas, Euler Jimenez G., Lirio Quintero, Jose Salazar P., Mayela Rivero, Antonio Cardenas, Maria L. Chirinos, Daysi Rojas, Humberto Marquez