# US 10,373,733 B2 · Insulated electric wire for automobile > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,373,733 B2 - Document ID: US10373733B2 - Status: Granted - Kind: B2 - Application number: 15/409,812 - Filed: 2017-01-19 - Published: 2017-05-11 - Granted: 2019-08-06 - Earliest claimed: 2010-03-02 - Assignees: Yazaki Corporation - Applicants: Yazaki Corporation - Inventors: Makoto Kambe; Kousuke Kogo - Web page: https://patentgrep.com/patent/US10373733B2 ## CPC - H01B 7/0045: {Cable-harnesses} - B60R 16/0207: {Wire harnesses} - C08K 3/22: of metals - C08L 23/06: Polyethylene - C08L 23/10: Homopolymers or copolymers of propene - C08L 23/16: Ethylene-propylene or ethylene-propylene-diene copolymers - C08L 51/06: grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond - C09D 123/12: Polypropene - H01B 3/441: {from alkenes} - H01B 3/443: {from vinylhalogenides or other halogenoethylenic compounds} - H01B 7/292: {using material resistant to heat} - H01B 7/295: using material resistant to flame - C08K 3/2279: {of antimony} - C08K 3/32: Phosphorus-containing compounds - C08L 2201/02: Flame or fire retardant/resistant - C08L 2203/202: use in electrical wires or wirecoating - C08L 2205/03: containing three or more polymers in a blend - C08L 2207/04: Thermoplastic elastomer - H01B 3/30: plastics; resins; waxes - H01B 7/22: Metal wires or tapes, e.g. made of steel - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) ## Abstract The present invention relates to an insulated electric wire for an automobile containing a conductor and an insulating coating layer which coats the conductor, the insulating coating layer being formed of a non-crosslinkable resin composition containing 65 to 90 parts by weight of a polypropylene-based resin, 10 to 40 parts by weight of a metal hydroxide, 20 to 50 parts by weight of a bromine-based flame retardant, 5 to 30 parts by weight of antimony trioxide, and 2 to 15 parts by weight of a maleic acid-modified resin in the ratio and further containing at least one of 3 to 10 parts by weight of a polyethylene resin and 2 to 10 parts by weight of an ethylene-based copolymer. ## Claims ### Claim 1 An insulated electric wire for an automobile comprising a conductor and an insulating coating layer which coats the conductor, the insulating coating layer being formed of a non-crosslinkable resin composition containing 65 to 90 parts by weight of a polypropylene-based resin, 10 to 40 parts by weight of a metal hydroxide, 20 to 50 parts by weight of a bromine-based flame retardant, 5 to 30 parts by weight of antimony trioxide, 2 to 15 parts by weight of a maleic acid-modified resin, 3 to 10 parts by weight of a polyethylene resin consisting of ethylene repeating units, and 2 to 10 parts by weight of an olefin-based thermoplastic elastomer. ### Claim 2 A wire harness for an automobile comprising an electric wire bundle containing a plurality of insulated electric wires and an insulating protective material containing a non-crosslinkable resin composition which protects outer periphery of the electric wire bundle, the non-crosslinkable resin composition containing 65 to 90 parts by weight of a polypropylene-based resin, 10 to 40 parts by weight of a metal hydroxide, 20 to 50 parts by weight of a bromine-based flame retardant, 5 to 30 parts by weight of antimony trioxide, 2 to 15 parts by weight of a maleic acid-modified resin, 3 to 10 parts by weight of a polyethylene resin consisting of ethylene repeating units, and 2 to 10 parts by weight of an olefin-based thermoplastic elastomer.