Patents by Inventor Arturo Hjort Delgado

Arturo Hjort Delgado 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).

  • Lead free PVC polymer composition resistant to abrasion and high operation temperatures for insulation and sheath of thin-walled automotive cables
    Patent number: 6642293
    Abstract: A lead free polyvinyl chloride polymer composition for a thin-walled automotive cable insulation and sheath, presenting abrasion strength and thermal resistance at 105° C., characterized in that it consists of a mixture of: a polyvinyl chloride with stabilizing agents, 9 to 11 carbon atom linear co-ester type plasticizers; calcium carbonate load and at least one phenol type antioxidant agent with an oxidized polyethylene type compound.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: November 4, 2003
    Assignee: Servicios Condumey
    Inventors: Arturo Hjort Delgado, Alfonso Perez Sanchez
  • Lead free PVC polymer composition resistant to abrasion and high operation temperatures for insulation and sheath of thin-walled automotive cables
    Publication number: 20020061951
    Abstract: A lead free polyvinyl chloride polymer composition for a thin-walled automotive cable insulation and sheath, presenting abrasion strength and thermal resistance at 105° C., characterized in that it consists of a mixture of: a polyvinyl chloride with stabilizing agents, 9 to 11 carbon atom linear co-ester type plasticizers; calcium carbonate load and at least one phenol type antioxidant agent with an oxidized polyethylene type compound.
    Type: Application
    Filed: July 6, 2001
    Publication date: May 23, 2002
    Inventors: Arturo Hjort Delgado, Alfonso Perez Sanchez
  • Heavy metal free polyvinyl chloride compound formulation for insulating thin wall automotive primary cable
    Patent number: 6255374
    Abstract: A formulation based on polyvinyl chloride compounds (PVC) particularly to high mechanical resistance compounds, specially with regard to abrasion. The composition does not have heavy metal based stabilizers and is used for insulation of thin wall automotive primary cable. The present invention includes a process to prepare said formulation.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: July 3, 2001
    Assignee: Servicios Condumes S.A. de C.V.
    Inventors: Alfonso Perez Sanchez, Arturo Hjort Delgado
  • Co-extruded electric conductor cable in three insulating layers of low humidity absorption electric method low smoke and toxic gas emission flame retardant
    Patent number: 5912436
    Abstract: A coextruded triple layer electric conductor for cable insulation having low humidity absorption, low emission of toxic gases, low smoke emission and high flame retardance comprising a first layer comprising polyvinyl chloride as a base over an electric conductor core, a second layer over first layer, comprising high density polyelthylene optionally modified with an ethylene copolymer, and a third layer over said second layer comprising polyvinyl chloride as a base.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: June 15, 1999
    Assignee: Servicios Condumex S.A. de C.V.
    Inventors: Alfonso Perez Sanchez, Ivan Marino De La Huerta, Octavio Parra Tabla, Arturo Hjort Delgado