| 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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| 03/10/1981 | US4255272 Roasting a mixture of oxides of lead, tin, antimony, titanium, and zirconium, swaping, sintering and firing to obtain first a pyrochlore then a perovskite; high density; stoichiometry |
| 03/03/1981 | US4254351 Metal acetylacetonate latent accelerators for an epoxy-styrene resin system |
| 03/03/1981 | US4254292 Producing an unsaturated dimer from unsaturated aromatic compounds, reacting with an aromatic hydrocarbon using a halogenated alkanesulfonic acid catalyst |
| 03/03/1981 | US4254231 High solids wire coating compositions for transformers |
| 03/03/1981 | CA1096987A1 Solutions of polyvinyl acetals |
| 03/03/1981 | CA1096604A1 Ceramic capacitor having a dielectric of (pb,la)(zr, ti)o.sub.3 and batio.sub.3 |
| 02/25/1981 | EP0024162A1 Insulating composition and articles made therefrom |
| 02/24/1981 | US4252915 Method of blending ethylene vinylacetate copolymers and polydiorganosiloxane gums and the blends made by the method |
| 02/24/1981 | CA1096525A1 Two-part pourable reactive prepolymeric dielectric encapsulant |
| 02/24/1981 | CA1096159A1 Dielectric compositions stabilized against water treeing with organo silane compounds |
| 02/17/1981 | US4251594 Saturating with a ethylene oxide phenolic, a curing agent and a solvent; curing to a polyepoxide |
| 02/17/1981 | US4251423 Polyester is modified by a solvent of an alkylene or polyalkylene glycol monoether or monoester |
| 02/17/1981 | CA1096085A1 Melt processible tetrafluoroethylene copolymers containing organo polysiloxanes |
| 02/17/1981 | CA1095681A1 Continuous curing method for longitudinally extended products and a device for the application of this method |
| 02/17/1981 | CA1095677A1 Production of coated electrical conductor cable |
| 02/12/1981 | EP0020458A4 Insulation of electrical apparatus with a synthetic transformer oil. |
| 02/11/1981 | EP0023788A1 Arrangement and method for covering elongate substrates |
| 02/11/1981 | EP0023610A1 A modified polyamide imide resin and its use for preparing electrical insulation materials and shaped articles |
| 02/10/1981 | US4250398 Solid state electrically conductive laminate |
| 02/10/1981 | US4250276 Fast curing coating composition |
| 02/10/1981 | CA1095496A1 Organotin catalyst system for isocyanate reactions |
| 02/10/1981 | CA1095229A1 High dielectric constant ceramic body made from fine particle ceramic powders |
| 02/04/1981 | EP0023363A1 Plasticizer for polymers that contain halogen |
| 02/04/1981 | EP0023239A2 Dielectric compositions stabilized against water treeing with organo silane compounds and electric wires or cables insulated with these compositions |
| 02/03/1981 | US4248920 Phenolic resin containing silica particles |
| 02/03/1981 | US4248768 Siloxane elastomers containing manganous oxide |
| 02/03/1981 | US4248764 Colorable, peroxide curable chlorinated polymer |
| 02/03/1981 | US4248745 Oil-free polyester and oil-modified polyester, curable |
| 01/28/1981 | EP0023101A1 Fabric-reinforced bonding sheet and method of using it to make insulated rail joints |
| 01/27/1981 | US4247446 Crosslinked polyolefin, decabromodiphenyl ether, silicone gum, antimony oxide, silica, organic lead salt |
| 01/27/1981 | US4247429 Water-soluble copolymers of polyesters, polyamides, polyimides, and polyurethanes and containing a hydantoin group |
| 01/27/1981 | CA1094745A1 Process for the manufacture of paste-extrudable polymers of tetrafluoroethylene |
| 01/27/1981 | CA1094739A1 Solutions of polyester-imides |
| 01/27/1981 | CA1094654A1 Cordage for use in telecommunications |
| 01/22/1981 | WO1981000169A1 Electrical cable with cellular insulating material,and process for the preparation thereof |
| 01/21/1981 | EP0022752A1 Glass-fibre reinforced polyester moulding compositions and their use |
| 01/20/1981 | US4246435 Filled communication cable employing a paraffinic oil-base filling compound |
| 01/20/1981 | US4246393 From an unsaturated dicarboxylic acid and an isocyanate or isothiocyanate having two or more isocyanate or isothiocyanate groups |
| 01/20/1981 | US4246306 Antistatic fire-retardant structures, particularly pipes, of reinforced plastics material |
| 01/20/1981 | US4246161 Suitable for high voltage insulation |
| 01/20/1981 | CA1093809A1 High humidity resistant electrical grade polymer concrete |
| 01/14/1981 | EP0022415A1 Electric cable with cellular insulation material and method of its manufacture |
| 01/14/1981 | EP0022207A1 Method of manufacturing high tension insulation and method of insulating an electric coil using this insulation |
| 01/13/1981 | US4244830 Method of producing a dielectric with perowskite structure and containing a copper oxide |
| 01/13/1981 | US4244722 Method for manufacturing thin and flexible ribbon of dielectric material having high dielectric constant |
| 01/13/1981 | CA1093652A1 Electrical conductor with an outer layer of crosslinked insulation |
| 01/13/1981 | CA1093569A1 Process for the manufacture of polycarboxylic acid polyglycidyl esters |
| 01/13/1981 | CA1093296A1 Capacitor with tin-zinc-nickel electrodes |
| 01/13/1981 | CA1093295A1 Electrical heating element composition having improved electrical resistance |
| 01/13/1981 | CA1093294A1 Capacitor |
| 01/13/1981 | CA1093267A1 Insulating tinsel conductors |
| 01/13/1981 | CA1093261A1 Electrical apparatus encapsulated with resin coated filler |
| 01/07/1981 | EP0021375A1 Impregnating agent and its application |
| 01/07/1981 | EP0020458A1 Insulation of electrical apparatus with a synthetic transformer oil. |
| 01/06/1981 | US4243778 Thermosetting heat bondable lacquer |
| 01/06/1981 | US4243723 Agent for the surface treatment of flat insulating materials |
| 01/06/1981 | US4243623 Method of encapsulating electrical apparatus |
| 01/06/1981 | US4243579 Flame retardant alkylene-alkyl acrylate copolymer composition |
| 01/06/1981 | US4243542 Electrical insulating compositions containing zinc oxide and an organosilicon compound containing at least one silicon-hydrogen bond |
| 01/06/1981 | CA1093168A1 Flame resistant cable structure |
| 01/06/1981 | CA1092798A1 Low temperature sintering ceramic capacitor |
| 12/30/1980 | US4242213 Dielectric ceramic compositions based on magnesium, calcium and rare earth metal titanates |
| 12/23/1980 | US4241233 Method of forming dielectric material for electrical cable and resulting structure |
| 12/23/1980 | US4241128 Polyvinylidene fluoride |
| 12/23/1980 | US4241101 Electrostatic powder coating |
| 12/23/1980 | US4240941 Coating compositions |
| 12/23/1980 | US4240917 Transformer using catalytically hydrogenated bright stock fluid |
| 12/23/1980 | CA1091917A1 Dielectric compositions of zirconates and/or aluminates and devices thereof |
| 12/23/1980 | CA1091916A1 Dielectric compositions of glass and magnesium titanates |
| 12/16/1980 | US4239867 Hard, clear castings for electronic components |
| 12/16/1980 | US4239814 Method of producing electrically insulating, highly flexible and/or solderable coatings |
| 12/16/1980 | US4239803 Ethylene polymer composition |
| 12/16/1980 | US4239802 Anaerobic resin curing system |
| 12/16/1980 | US4239608 Method for producing piezoelectric polymeric material |
| 12/10/1980 | EP0020286A1 Low tension cable with several cores, with a core insulation crosslinked by irradiation |
| 12/09/1980 | US4238528 Coating electronic circuits with a polyamide, solvent, and nonionic fluorocarbon surfactant; curing to a polyimide |
| 12/09/1980 | US4238385 Coating composition for forming insulating film on electroconductive substrate for printed circuits and method therefor |
| 12/09/1980 | US4238343 Synthetic oils from alpha-olefin oligomers modified by an aromatic compound; transformers |
| 12/09/1980 | CA1091000A1 Electrical devices containing improved dielectric fluids |
| 12/02/1980 | US4237251 Polyesteramides and process for producing the same |
| 12/02/1980 | US4237149 Method of manufacturing molded and impregnated parts |
| 12/02/1980 | US4237084 Method of producing internal boundary layer ceramic compositions |
| 12/02/1980 | US4236928 Ceramic compositions |
| 12/02/1980 | CA1090554A1 .alpha.-RAMIFIED ALKANOL PHTALATE LIQUID DIELECTRIC COMPOSITIONS |
| 11/26/1980 | EP0019337A1 Piezoelectric body for an electromechanical transducer |
| 11/25/1980 | US4235663 Oxides of bismuth, germanium, gallium and group 2a |
| 11/25/1980 | US4235635 Oxides of lead, iron, tungsten, zirconium |
| 11/18/1980 | US4234439 Dielectric material for influencing electric fields, and stress control devices made therefrom |
| 11/18/1980 | US4234338 Cermet, densification |
| 11/12/1980 | EP0018802A1 Process for preparing a piezoelectric pyroelectric film, and capacitors, piezoelectric and pyroelectric devices incorporating the film |
| 11/11/1980 | US4233470 Restorative material for antioxidant depleted polyolefin insulation |
| 11/11/1980 | US4233413 Resin composition with low shrinkage |
| 11/11/1980 | US4233191 Spreading aqueous dispersion in thin layer, evaporating water, softening thermoplastic resin to bind electroconductive particle |
| 11/11/1980 | CA1089596A1 Shaped articles for cross-linked fluorocarbon polymers |
| 11/11/1980 | CA1089583A1 Metal acetylacetonate latent accelerators for an epoxy-styrene resin system |
| 11/11/1980 | CA1089532A1 Fluorocarbon seal for electrochemical device |
| 11/11/1980 | CA1089216A1 Insulating compositions containing phosphorus compounds |
| 11/04/1980 | US4231901 Destaticizing packaged electronic components using an open-cell foam impregnated with particles and a binder |
| 11/04/1980 | US4231849 One step hydrolysis and cyclization of tetrafluoroethylene pentamer with subsequent perfluorination |
| 11/04/1980 | US4231231 Cryogenic ceramic and apparatus |