| Patents for H01B 3 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties (23,469) |
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| 02/21/1991 | WO1991002363A1 Porous dielectric compositions |
| 02/21/1991 | DE3927052A1 Crosslinking polyolefin(s) with radiation or chemicals, e.g. peroxide |
| 02/20/1991 | EP0413564A2 Formation of polymeric metal oxide materials |
| 02/20/1991 | EP0413255A2 Method for manufacturing a foam-insulated electric wire |
| 02/20/1991 | EP0413179A2 Electrically insulated coil, electric rotating machine, and method of manufacturing same |
| 02/20/1991 | CN1011696B Substantially non-flammable biologically degradable functional liquid |
| 02/19/1991 | US4994543 Halogenated polyester resin composition and electric wire |
| 02/19/1991 | US4994539 Method for improving impulse destructive stength of electrical insulating materials |
| 02/19/1991 | US4994514 Also containing glass fibers and silica; electrical resistance, dielectrics |
| 02/19/1991 | CA1280299C Lead alloy foil and lead laminated tape using the foil, both designedfor covering cables |
| 02/19/1991 | CA1280275C Process for densifying a ceramic part |
| 02/18/1991 | CA2015525A1 Thermoplastic compositions which contain polyolefins and polyphenylene ethers, and articles made therefrom |
| 02/13/1991 | EP0412425A1 Flame retardant casting resins as moulding compounds |
| 02/13/1991 | EP0412154A1 Improved polyimide and fluoropolymer containing films and laminates. |
| 02/13/1991 | CN1049241A Non-combustible electric cable and producing method |
| 02/12/1991 | US4992399 Ceramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramic |
| 02/12/1991 | US4992398 High frequency dielectric composition |
| 02/12/1991 | CA1280181C Direct current cable insulation with insulating composition including electronegative gas |
| 02/07/1991 | WO1991001283A1 Dielectric ceramic composition |
| 02/07/1991 | DE4024595A1 Protective coating material for semiconductors - contains -polyimide from bis-benzene-di:acid-anhydride-per:fluoro:propane, PMDA-type di:anhydride, silicon-di:amine and ether-di:amine |
| 02/06/1991 | EP0412007A2 Process for preparing superconducting thin films |
| 02/06/1991 | EP0411772A2 Flexible printed-circuit base board and process for producing the same |
| 02/06/1991 | EP0411757A2 Frequency stable NPO ceramics |
| 02/06/1991 | EP0411423A2 Curable dielectric polyphenylene ether-polyepoxide compositions |
| 02/06/1991 | EP0411405A2 Encapsulation method, microelectronic devices made therefrom, and heat curable compositions |
| 02/06/1991 | EP0411303A2 Halogen-free melt processable silicone-imide wire coating compositions having low smoke values |
| 02/05/1991 | US4990552 Flame retardant silicone oil composition |
| 02/05/1991 | US4990405 High strength; waterproofing; gasket seals; dielectrics; dielectrics; papers, films, boards and laminates; construction materials |
| 02/05/1991 | US4990397 High impact strength |
| 02/05/1991 | US4990323 Composition for reduction-reoxidation type semiconductive ceramic capacitor |
| 02/05/1991 | CA1279802C Industrial gelling agent for hydrophobic organic liquids |
| 01/30/1991 | EP0410431A1 Tree resistant compositions |
| 01/30/1991 | EP0410003A1 Insulated electric wire |
| 01/29/1991 | US4988875 Near infrared polyethylene inspection system and method |
| 01/29/1991 | US4988566 Fluorocarbon polymer compositions and articles shaped therefrom |
| 01/29/1991 | US4988565 Cable sheaths; flexibility |
| 01/29/1991 | US4988514 Preparation of lower alkyl polysilsesquioxane and formation of insulating layer of silylated polymer on electronic circuit board |
| 01/24/1991 | WO1991000842A1 Manufacture of aluminium nitride |
| 01/24/1991 | DE4022255A1 Flame retarding binder for printed circuit - comprising e.g. soln. of bisphenol di:cyanate pre-polymer and bisphenol=A epoxy] resin |
| 01/23/1991 | EP0409482A1 Polymer blend articles |
| 01/23/1991 | EP0409380A2 Packaged semiconductor surge protection device and electronic system comprising such a device |
| 01/23/1991 | EP0409018A2 Electrodes for electrical ceramic oxide devices |
| 01/23/1991 | EP0408990A2 Thermosetting reaction resin mixture |
| 01/22/1991 | US4987274 Coaxial cable insulation and coaxial cable made therewith |
| 01/22/1991 | US4987167 Halogen-containing polyester resin composition and electric wire |
| 01/22/1991 | US4987108 Dielectric paste |
| 01/22/1991 | US4987107 Ceramic composition for reduction-reoxidation type semiconductive capacitor |
| 01/21/1991 | CA2021494A1 Polymer blend articles |
| 01/18/1991 | CA2021277A1 Electrodes for electrical ceramic oxide devices |
| 01/16/1991 | EP0408042A2 Heat-sealable laminated polyester film |
| 01/15/1991 | US4985512 High-lubricity film |
| 01/15/1991 | US4985475 Electrical or Optical Cable; Extended Reaction Product of an Admixture of an Anhydride Functionalized Compound, a Crosslinking Agent and an Oxirane Containing Material |
| 01/15/1991 | US4985381 Dielectric ceramic composition |
| 01/15/1991 | US4985313 Wire and cable |
| 01/09/1991 | EP0407289A1 Process for obtaining an electrically insulating product |
| 01/09/1991 | EP0407061A1 Wire insulation |
| 01/09/1991 | EP0406911A1 Process for preparation of polysilsesquioxane |
| 01/09/1991 | EP0406477A1 Reinforced mica paper and method of manufacturing the same |
| 01/08/1991 | US4983714 Halogen-containing polyester resin composition and covered wire |
| 01/08/1991 | US4983675 Ethylene and unsaturated silane compound copolymer; electric cables |
| 01/08/1991 | US4983556 Alumina, feldspar, silica sand, china stone and clay are mixed, shaped, dried, and fired |
| 01/02/1991 | EP0406035A1 Fire retardant polymer compositions and their use for electrical cable insulation |
| 01/01/1991 | US4982309 Metal, metal oxide |
| 01/01/1991 | US4982025 Alkylbenzenes, low temperature |
| 01/01/1991 | US4981943 Film of aromatic copolyamide from bis(aminophenoxy) benzene |
| 01/01/1991 | US4981894 Halogen-free melt processable silicon-imide wire coating compositions having low smoke values |
| 01/01/1991 | US4981608 Industrial gelling agent for hydrophobic organic liquids |
| 01/01/1991 | US4981530 Planarizing ladder-type silsesquioxane polymer insulation layer |
| 12/27/1990 | WO1990015841A1 Composite for high temperature electrical insulating and method for manufacturing |
| 12/27/1990 | WO1990015828A1 Thermoplastic fluoropolymers |
| 12/27/1990 | EP0404196A2 Material for heat and electrical insulation with a capacity of selective absorption of electromagnetic radiation spectrum and vibration, its production process and use |
| 12/27/1990 | EP0403817A2 Dielectric structures with material resistant to etching and method of fabrication thereof |
| 12/27/1990 | EP0297139B1 Flexible printed circuit board and process for its production |
| 12/27/1990 | CA1278183C Dielectric compositions |
| 12/27/1990 | CA1278182C Dielectric composition |
| 12/20/1990 | DE3919502A1 Low-tension distribution cable - with mica particles lining the specified plastic foil wrapping |
| 12/19/1990 | EP0403022A2 Encapsulating epoxy resin composition |
| 12/18/1990 | US4978694 Silicone water block for electrical cables |
| 12/18/1990 | US4978646 Capacitors and high dielectric constant ceramics therefor |
| 12/18/1990 | CA1278140C Non-aqueous solventless polyester varnish |
| 12/18/1990 | CA1278130C Melt-shapeable fluoropolymer compositions |
| 12/13/1990 | WO1990015422A1 Coaxial cable insulation and coaxial cable made therefrom |
| 12/13/1990 | WO1990015089A1 Epoxy-terminated polyoxazolidones, process of preparation, and electrical laminates therefrom |
| 12/13/1990 | DE4017409A1 Oriented crystalline ferroelectric thin film - which is crystallised silica-based glass substrate |
| 12/12/1990 | CN1047674A Use of industrial gelling agent for hydrophobic organic liquids in electric equipments |
| 12/11/1990 | US4977024 Magnesia granule coated with silica or forsterite |
| 12/11/1990 | CA1277474C Manufacture of low density, sintered polytetrafluoroethylene articles |
| 12/06/1990 | CA2018265A1 Epoxy-terminated polyoxazolidones, process for the preparation thereof and electrical laminates made from the epoxy-terminated polyoxazolidones |
| 12/05/1990 | EP0400963A2 Resonant frequency-temperature characteristics compensatable high frequency circuit elemental device |
| 12/05/1990 | EP0400962A1 Dielectric ceramic and process for producing the same |
| 12/05/1990 | EP0400071A1 Laminar polymeric sheet |
| 12/05/1990 | EP0181405B1 Dielectric ceramic material |
| 12/04/1990 | US4975500 Adducts of metabrominated phenols and polyfunctional epoxides |
| 12/04/1990 | CA1277378C Capacitor with dielectric of plzt and an intergranular borate |
| 11/29/1990 | WO1990014228A1 Improved dielectric surface for electrostatic charge target |
| 11/28/1990 | EP0399396A2 Melt-adhesive coating solution for heat-resistant coatings |
| 11/28/1990 | EP0398917A1 Ethers of the condensation products of phenoldicyclopentadiene adducts as thermosetting resins. |
| 11/27/1990 | US4973626 Crosslinked polymer interdispersions containing polyolefin and method of making |
| 11/27/1990 | US4973567 Electric ceramic composition |
| 11/21/1990 | CN2066181U Insulated paint silk fabric |