Patents by Inventor Valmore Rodriquez

Valmore Rodriquez 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).

  • Conduit having hydrophilic and oleophobic inner surfaces for oil transportation
    Patent number: 5385175
    Abstract: A conduit for transporting an oil and water mixture wherein the conduit has an inner surface is substantially hydrophilic and oleophobic. The surface is characterized by a water absorption capacity of greater than or equal to about 8% by weight, and by a contact angle with the oil of greater than or equal to about 120.degree.. The inner surface material may be a silica containing concrete composition or a polymeric coating composition. A conduit having such an inner surface is wetted by water so as to inhibit adhesion of oil to the conduit.
    Type: Grant
    Filed: November 1, 1993
    Date of Patent: January 31, 1995
    Assignee: Intevep, S.A.
    Inventors: Mayela Rivero, Valmore Rodriquez, Dan Joseph, Emilio Guevara, Nelson Carabano