| 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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| 07/14/1981 | CA1105047A1 Method of purifying triaryl phosphate |
| 07/09/1981 | WO1981001852A1 Fire retardant organic high molecular composition |
| 07/08/1981 | EP0031637A2 Improvements in or relating to filled polymeric compositions, hydrated alumina fillers therefor and processes for the production thereof |
| 07/08/1981 | EP0031569A1 Production of insulated winding wires that can de directly tinned |
| 07/08/1981 | EP0031555A1 Insulator for high and medium voltage windings and process for manufacturing such an insulator |
| 07/07/1981 | US4277673 Electrically conductive self-regulating article |
| 07/07/1981 | US4277534 Powdered transformer wire coating |
| 07/07/1981 | CA1104747A1 Water soluble polyester resin |
| 07/07/1981 | CA1104677A1 Flame-resistant, insulated multi-conductor electric cable |
| 07/07/1981 | CA1104337A1 Gaseous insulators for high voltage electric equipment |
| 06/30/1981 | US4276408 Reacting aromatic hydrocarbon with formaldehyde, reacting product with phenol |
| 06/30/1981 | US4276251 Dielectric coating of blend of polyethylene and ethylene-propylene copolymer |
| 06/30/1981 | US4276184 Dielectric fluids comprising non-halogenated mixtures of organic esters and aromatic compounds |
| 06/30/1981 | CA1104161A1 Liquid dielectric composition |
| 06/30/1981 | CA1103915A1 Wire or cable insulated with a dielectric composition stabilized against water treeing with organo silane compounds |
| 06/30/1981 | CA1103913A1 Insulating oil |
| 06/24/1981 | EP0030717A1 Method of producing winding wires by extrusion of thermoplastics |
| 06/24/1981 | EP0030663A2 Layer-modified particulated fluoropolymers and process for their preparation |
| 06/24/1981 | EP0030641A2 Insulating coating for ceramic substrate and method to form such a coating |
| 06/23/1981 | US4275260 Dielectric gas mixture containing trifluoronitromethane and/or trifluoromethanesulfonyl fluoride |
| 06/23/1981 | US4275180 Polymer compositions |
| 06/23/1981 | US4274990 Dielectric insulating polyolefin compositions containing nitrile polysiloxane fluid, and conductor products insulated therewith |
| 06/23/1981 | CA1103841A1 Water-soluble polyester imide resins |
| 06/23/1981 | CA1103601A1 Process for the production of a transformer oil |
| 06/17/1981 | EP0030249A1 Insulating oil compositions |
| 06/16/1981 | US4273917 Acid-terminated polyester imide wire enamels |
| 06/16/1981 | US4273914 Charge transfer compounds |
| 06/16/1981 | US4273825 Electric insulating sheet |
| 06/16/1981 | US4273674 Thermal detecting paint compositions |
| 06/16/1981 | CA1103383A1 Silica-alumina trihydrate filled epoxy castings resistant to arced sf.sub.6 |
| 06/11/1981 | WO1981001567A1 Vinylidene fluoride polymers |
| 06/10/1981 | EP0029888A1 Method of producing a conductive wire |
| 06/09/1981 | US4272673 Resistor wire, polyimide insulator |
| 06/03/1981 | EP0029676A1 Connector for electrically interconnecting a panel system and a panel system incorporating the connector |
| 06/02/1981 | US4271226 Polymer tape for under water use |
| 06/02/1981 | CA1102107A1 Arc resistant composition |
| 05/27/1981 | EP0029234A1 Low voltage cable provided with improved insulating layer |
| 05/27/1981 | EP0029119A2 Process for producing a rough electrically insulating foil of polypropylene |
| 05/26/1981 | US4269894 Electric windings and production thereof characterized by the use of a condensation type silicon resin for combination with an addition type silicon resin |
| 05/26/1981 | US4269757 Siloxane compositions which form ceramics at high temperatures |
| 05/26/1981 | US4269756 Blending polyphenylene sulfide, an inorganic filler, and the titanium-ester-containing chelate compound; low viscosity |
| 05/26/1981 | US4269753 Siloxane compositions which can be ceramified at high temperatures |
| 05/26/1981 | US4269752 Using 1-phenoxy-2-propanol during preparation to reduce molecular weight abatement; dielectrics |
| 05/26/1981 | CA1101657A1 Hv insulation materials |
| 05/20/1981 | EP0028802A1 Electrically insulating substrate and a method of making such a substrate |
| 05/19/1981 | US4268659 Modified polyester imides, hardenable by energy-rich radiation, process for their production and their use for the insulation of electric wires |
| 05/13/1981 | EP0028583A2 Process for producing epoxy resin castings |
| 05/13/1981 | EP0028281A1 Synthetic insulating member under mechanical stress with glass fibre reinforcement free of boron and boron compounds for high tension switching arrangements containing sulphur-hexafluorid gas |
| 05/12/1981 | US4267300 Said epoxy resin is polyglycidyl ether of bisphenol a, capped with a monobasic aromatic acid, said powder containing trimellitic anhydride |
| 05/12/1981 | US4267232 P-cresol solubility; heat resistance |
| 05/12/1981 | US4267231 Polyester imide wire enamels |
| 05/12/1981 | US4267098 Stabilized copolymers based on ethylene and tetrafluoroethylene, and processes for their preparation |
| 05/12/1981 | CA1101143A1 Polyurethane gel agent for decontaminating and sealing the interior surfaces of an insulated electrical device |
| 05/12/1981 | CA1101088A1 Electric power cable impregnating fluid and cable containing such fluid |
| 05/06/1981 | EP0027935A1 Dielectric liquid composition used in an electrical capacitor |
| 05/06/1981 | EP0027825A1 Ceramic base |
| 05/05/1981 | US4266264 Meta isopropyl biphenyl insulated electrical apparatus |
| 05/05/1981 | US4265966 Method of using nitrogen-containing polyester resins as epoxy resin hardening accelerators in winding bands for high-voltage insulation of electric machines and apparatus and mica tape therefor |
| 05/05/1981 | US4265801 Polymeric blends containing a monoorganic polysiloxane resin |
| 05/05/1981 | US4265775 Non-bleeding thixotropic thermally conductive material |
| 05/05/1981 | US4265668 Oxides of lead, niobium, magnesium, titanium |
| 05/05/1981 | CA1100660A1 Fluid casting composition containing low expansion glass filler |
| 05/05/1981 | CA1100304A1 Electrical insulating oil compositions |
| 04/29/1981 | EP0027568A1 Process for preparing resin impregnated substrates, resin impregnated substrate and electrical laminate therefrom |
| 04/28/1981 | US4264485 Insulating coating composition for wire |
| 04/22/1981 | EP0027300A1 High-voltage cable having a polyethylene containing insulation sheath which is provided with means to avoid or impede the formation or the growth of watertrees |
| 04/21/1981 | US4263158 Dielectric compositions stabilized against water treeing with organo silane compounds containing the azomethine group and partial condensation products |
| 04/21/1981 | CA1099504A1 Non-flammable dielectric fluid |
| 04/16/1981 | WO1981000986A1 Insulating mica paper and tapes thereof |
| 04/14/1981 | US4261097 Removal of any organic material prior to in situ annealing to prevent any formation of graphite |
| 04/14/1981 | CA1099448A1 Epoxides containing organo-tin compounds and electrical members insulated therewith |
| 04/14/1981 | CA1099421A1 Method for stabilizing a water-soluble composition |
| 04/08/1981 | EP0026607A1 Epoxy resin powder for wire coating and method of applying an electrical insulating coating to wire |
| 04/07/1981 | US4260663 Method of producing a dielectric having a perowskite structure |
| 04/07/1981 | US4260661 Polyolefin compounds having improved heat curing stability, method of improving heat aging stability therein, an electrical conductor insulated therewith and method of forming |
| 04/07/1981 | US4260506 Hydraulic pressure device utilizing biodegradable halogenated diphenyl methanes |
| 03/31/1981 | US4259708 Esters of benzene tri- or tetracarboxylic acid |
| 03/31/1981 | US4259540 Filled cables |
| 03/31/1981 | US4259455 Mixing organohydrogensiloxane, hydroxylated organosiloxane, platinum catalyst, and aluminum silicate |
| 03/31/1981 | US4259410 Random propylene copolymers for electric cable insulation |
| 03/31/1981 | US4259398 Electrical insulating material |
| 03/31/1981 | US4259221 Cleavage of imide ring with tertiary amine; metal coatings |
| 03/31/1981 | US4259196 Asbestos-free compression molding compositions for thermal and electrical insulators |
| 03/31/1981 | CA1098303A1 Method of producing a dielectric with perowskite structure |
| 03/31/1981 | CA1098301A1 Liquid dielectrics |
| 03/31/1981 | CA1098293A1 Bn bonded bn fiber article from boric oxide fiber |
| 03/25/1981 | EP0025538A2 Process for producing insulated winding wire by extrusion of thermoplasts |
| 03/25/1981 | EP0025505A2 N.N'-Bis-salicyloyl hydrazine as metal stabilizer |
| 03/24/1981 | US4258147 Polybutadiene in curable epoxides |
| 03/24/1981 | US4257991 Method of and a regulator for adjusting the capacity and the diameter of an electric conductor |
| 03/24/1981 | US4257905 Nitrogen, hydrogen, carbon monoxide, or carbon dioxide as the second component |
| 03/24/1981 | US4257904 Dielectric glass coating composition containing polymethylmethacrylate fugative binder |
| 03/18/1981 | EP0025091A2 Water-proof high voltage insulation for electric cables and process for its manufacture |
| 03/17/1981 | US4256807 Cationic and anionic polymers |
| 03/17/1981 | CA1097495A1 Electrically conductive adhesive |
| 03/17/1981 | CA1097493A1 Electrical capacitor |
| 03/11/1981 | EP0024674A1 Process for manufacturing insulated winding wires by extrusion of polyethylenterephtalate |
| 03/11/1981 | EP0024498A1 Non-bleeding thixotropic thermally conductive dielectric material |
| 03/10/1981 | US4255586 Boron-silicon compounds suitable for use as hydraulic fluids |
| 03/10/1981 | US4255303 Group ia, iia or iib metal salt of fatty acid |