Patents by Inventor Alfonso Perez Sanchez

Alfonso Perez Sanchez 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).

  • Patent number: 9343200
    Abstract: An electric and/or telecommunications cables having retro-reflective integral covers to be used in harsh environments with low or null visibility and the manufacturing process thereof. The cable comprises a core capable of incorporating a plurality of electric and/or telecommunications conductors, reinforcement elements and/or filler elements; a first protective cover layer wrapping the core; at least one reflective tape including visible external light retro-reflective elements, and wrapping the first protective cover layer, which constitutes a second cover layer; and a third protective cover layer wrapping the second cover layer, constituted by the reflective tape having retro-reflective elements and the first protective cover layer.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: May 17, 2016
    Assignee: SERVICIOS CONDUMEX, S.A. DE C.V.
    Inventors: Alfonso Pérez-Sánchez, Fernando Labastida-Sánchez, Sergio Castañeda-Gutiérrez, Jonathan Aguilar-Ávila
  • Patent number: 9115273
    Abstract: A development of a polyolefin-based composition for manufacturing halogen-free, flame retardant, low smoke emission, thermoplastic insulations for use in electrical conductor cables, applied as insulation, that can be processed at high speed in the equipment used for its application. The composition being a mixture of at least two polyolefin-based polymer resins, which are a first soft and flexible resin and a second and heat-resistance provider resin; at least one compatibilizing and coupling agent; at least one flame retardant; at least one antioxidant; at least one lubricant and optionally at least one nanometric clay.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: August 25, 2015
    Inventors: Miguel Angel Millan Perez, Luis Vazquez Estrada, Octavio Parra Tabla, Alfonso Perez Sanchez
  • Publication number: 20150170797
    Abstract: The present invention is related to electric and/or telecommunications cables having retro-reflective integral covers to be used in harsh environments with low or null visibility and the manufacturing process thereof. Cables of the present invention comprise a core capable of incorporating a plurality of electric and/or telecommunications conductors, reinforcement elements and/or filler elements; a first protective cover layer wrapping the core; at least one reflective tape including visible external light retro-reflective elements, and wrapping the first protective cover layer, which constitutes a second cover layer; and a third protective cover layer wrapping the second cover layer, constituted by the reflective tape having retro-reflective elements and the first protective cover layer.
    Type: Application
    Filed: October 30, 2013
    Publication date: June 18, 2015
    Inventors: Alfonso Pérez-Sánchez, Fernando Labastida-Sánchez, Sergio Castañeda-Gutiérrez, Jonathan Aguilar-Ávila
  • Publication number: 20130220667
    Abstract: The present invention relates to the development of a polyolefin-based composition for manufacturing halogen-free, flame retardant, low smoke emission, thermoplastic insulations showing good electrical properties in water for use in electrical conductor cables. The composition applied as insulation, besides granting the above mentioned features, also shows good characteristics during the extrusion process, so that it can be processed at high speed in the equipment used for its application. The composition of the present invention comprises a mixture of at least two polyolefin-based polymer resins, a first soft and flexible resin and a second and heat-resistance provider resin; at least one compatibilizing and coupling agent; at least one flame retardant; at least one antioxidant; at least one lubricant and optionally at least one nanometric clay for enhancing fire resistance properties.
    Type: Application
    Filed: August 8, 2012
    Publication date: August 29, 2013
    Inventors: Miguel Angel Millan Perez, Luis Vazquez Estrada, Octavio Parra Tabla, Alfonso Perez Sanchez
  • Patent number: 8420939
    Abstract: Flame retardant, low smoke emission and halogen free energy cable with silane cross-linked polyolefin insulation and polyamide jacket for electrical installations up to 600 V, based on: a) an electric conductor core made of copper or aluminum; b) an insulating layer made of silane cross-linked polyethylene; and c) a flame retardant nylon-6 jacket with low smoke emission; characterized in that said core a) is based on a plurality of soft copper wires with electrical resistivity no greater than 17,241 nOhm.m (0.15328 Ohm.g/m2) equivalent to a IACS 100% conductivity or aluminum with electrical resistivity not greater than 28,264 nOhm.m (0.07639 Ohm.g/m2) equivalent to a IACS 61% conductivity and having reduced insulating thicknesses.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: April 16, 2013
    Assignee: Servicios Condumex S.A. de CV
    Inventors: Juan Manuel Hernandez-Hernandez, Alfonso Perez-Sanchez
  • Publication number: 20110174521
    Abstract: Flame retardant, low smoke emission and halogen free energy cable with silane cross-linked polyolefin insulation and polyamide jacket for electrical installations up to 600 V, based on: a) an electric conductor core made of copper or aluminum; b) an insulating layer made of silane cross-linked polyethylene; and c) a flame retardant nylon-6 jacket with low smoke emission; characterized in that said core a) is based on a plurality of soft copper wires with electrical resistivity no greater than 17,241 nOhm.m (0.15328 Ohm.g/m2) equivalent to a IACS 100% conductivity or aluminum with electrical resistivity not greater than 28,264 nOhm.m (0.07639 Ohm.g/m2) equivalent to a IACS 61% conductivity and having reduced insulating thicknesses.
    Type: Application
    Filed: May 10, 2010
    Publication date: July 21, 2011
    Inventors: Juan Manuel Hernandez-Hernandez, Alfonso Perez-Sanchez
  • Patent number: 7423081
    Abstract: Thermoplastic formulations to manufacture pipe and fluid accessories for home and industrial use comprising a polyvinyl chlorinated thermoplastic compound (CPVC) at a level up to 100 phr, oxidizing agents, polymer promoter agents, and impact modifier agents characterized because it includes a blend of internal and external lubricant agents based on: paraffinic wax selected from paraffinic wax from calcium stearate, polyethylene wax, oxidized polyethylene wax, stearic acid and fatty acid waxes, polyethylene wax, homopolymer of oxidized ethylene, paraffinic wax and mercaptide thermostabilizing agents.
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: September 9, 2008
    Assignee: Servicios Condumex S.A. de C.V.
    Inventors: Octavio Parra Tabla, Luis Vazquez Estrada, Alfonso Perez Sanchez
  • 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
  • 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
  • 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
  • Patent number: 5955525
    Abstract: The insulating formulation is a mixture of vulcanizable halogen free polyolefins with low smoke emission and fire resistance characteristics, for application in compounds to insulate and cover cables and electric conductors. The polyolefins are formulated with a hydrated inorganic charge, an alkoxysilane, a curing agent, an additive such as a process assistance agent and a combination of two antioxidants, a hindered phenol and a zinc-mercapto toluimidazole salt. The stabilized formulations with the antioxidant combination of phenol with steric hindrance and zinc 2 mercapto toluimidazole salt offer a good thermostability at 3000 hours at a temperature of 125.degree. C. and at 240 hours at a temperature of 165.degree. C. and does not stain or decolorate the copper surface when the composition is steam vulcanized.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: September 21, 1999
    Assignee: Servicios Condumex S.A. de C.V.
    Inventors: Fernando Labastida Sanchez, Alfonso Perez Sanchez
  • 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