Patents
Patents for H01B 3 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties (23,469)
05/1988
05/05/1988DE3636928A1 Self-healing electric capacitor
05/04/1988EP0265553A1 Biaxially oriented polyoxymethylene film
05/03/1988US4742166 Substituted, unsaturated, bicyclic imides and polymers thereof
05/03/1988US4742109 Impact strength, elongation
05/03/1988US4742031 Oxides of lead, iron, niobium, tantalum
05/03/1988US4741939 Hydrolysis of amic acid groups
05/03/1988CA1236122A1 Electrical insulating oil and oil-filled electrical appliances
05/03/1988CA1236121A1 Electrical insulating oil and electrical appliances impregnated with the same
04/1988
04/26/1988US4740580 One-step process for the preparation of carboxyl group-terminated polyesters
04/26/1988US4740576 Preparation of polyamidoimide coatings having a long shelf life
04/26/1988US4740425 Zinc oxide in poly(arylene sulfide) compositions
04/26/1988US4739544 Copper ions as insulating agents
04/26/1988EP0205455A4 Curable compositions containing a polyepoxide and a halogenated dihydric phenol and impregnated substrates and laminates prepared therefrom.
04/26/1988CA1235839A1 Encapsulation of electronic components with calcium silicate-containing poly(arylene sulfide) compositions
04/26/1988CA1235835A1 Composition useful for making circuit board substrates and/or electrical connectors
04/20/1988EP0264037A2 UV-curable dielectric compositions
04/19/1988US4739032 Aromatic oligomers and resins
04/19/1988US4738900 Heat resistant dielectric layer of a polymer of an aromatic dimaleimide and an aromatic dicyanamide
04/13/1988EP0263782A1 Esters of allyl-bicyclo[2,2,1]-hept-5-ene-2-carboxylic acid and their polymers
04/13/1988CN86106523A Suspension insulator porcelain for super high voltage direct current electricity transmission line
04/12/1988CA1235149A1 Phosphate bonded materials
04/07/1988WO1988002591A1 Flexible printed circuit board and process for its production
04/07/1988WO1988002411A1 Material for conductive parts of electronic and electric appliances
04/07/1988WO1988002386A1 Encapsulating compositions
04/07/1988DE3633056A1 Extrudable mixture for halogen-free, highly flame-resistant coverings (sheaths)
04/06/1988EP0262974A2 Dielectric inks and frits for multilayer circuits
04/06/1988EP0262931A2 Planar antenna
04/06/1988EP0262910A2 Encapsulating compositions
04/06/1988EP0262643A2 Perchloroethylene dielectric fluid containing aliphatic hydrocarbons
04/06/1988EP0262472A2 Electrically insulating material
04/06/1988EP0262456A2 New electrical insulating oil composition
04/06/1988EP0262455A2 Electrical insulating oil composition
04/06/1988EP0262454A2 Electrical insulating oil composition
04/06/1988EP0160668B1 Method for reducing content of halogenated aromatics in hydrocarbon solutions
04/06/1988CN85107881B Preparation of polyethersulfone resin membrane
04/05/1988US4736230 Composition for semiconductor porcelain, and semiconductor porcelain and capacitor by use of same
04/05/1988US4736007 With unsaturated aromatic hydrocarbons
04/05/1988US4735991 Blend of hydroxy(cyclo)alkly(meth)acrylate and amino(meth)acrylate with (meth)acrylate bisphenol ester
04/05/1988US4735989 Blend of hydroxy(cyclo)alkyl(meth)acrylate and amino(meth)acrylate with adduct of bisphenol diglycidyl ether and ethlenically unsaturated amido amine
04/05/1988US4735926 Alumina ceramic body
04/05/1988US4735891 Printed multilayer circuits by coating metal foil, exposure, and development
04/05/1988US4735833 Curable fabric member
04/05/1988CA1234884A1 Polyvinylidene fluoride film for use in wound capacitors
03/1988
03/31/1988DE3632883A1 Power cable
03/30/1988EP0262082A2 Resin rich mica tape
03/30/1988EP0261638A2 Radiation-resistant high molecular composition
03/29/1988US4734824 Electrical insulating oil and electrical appliances impregnated with the same
03/29/1988US4734545 Thermoplastic polyurethane
03/29/1988US4734470 Segments of polyphenylene sulfide and an aromatic sulfide sulfone polymer
03/29/1988US4734467 Mixture of linear and branched polyesters, melamine resin as crosslinking agent
03/29/1988US4734390 Nitrogen or oxnitrogen compounds having a perovskyte structure, their preparation and their application to the manufacture of dielectric components
03/29/1988CA1234649A1 Water stabilized polymeric composition containing hydrated alumina
03/23/1988EP0260875A2 Ceramic composition for pyroelectric sensors
03/23/1988EP0260702A2 Oil-filled capacitor
03/22/1988US4732951 Polyether-based photopolymers
03/22/1988US4732928 Conjugated diene-vinyl aromatic block polymers, oils
03/22/1988US4732843 Irradiation cross-linkable thermostable polymer system, for microelectronic applications
03/22/1988US4732788 Process for coating substrate and an aqueous coating composition based on a cationic binder
03/22/1988US4732722 Process for producing a crosslinked polyolefin insulated power cable
03/22/1988US4732629 Expanding and compressing ptfe
03/16/1988EP0259798A2 Electrical insulating oil composition
03/16/1988EP0259653A2 Plastic insulation comprising a voltage stabilizer
03/16/1988CN86105468A Composite modifier of the cable materials and its production method
03/15/1988US4731504 For adhesion to polyvinyl chloride and metal
03/15/1988US4731495 Electrical insulating oils
03/15/1988US4731405 Thermoplastic moulding materials with high tracking resistance
03/15/1988US4731390 Biaxially stretched polyparaphenylene sulfide film
03/15/1988US4731207 Oxides of barium, magnesium and tantalum
03/15/1988CA1234191A1 Electric cable with covering preventing fire spreading
03/09/1988EP0258613A2 Ethylene copolymers with enhanced fire resistant properties
03/08/1988US4730088 Transmission line
03/08/1988US4730029 Flame-retardant resin
03/08/1988US4729915 Biaxially oriented polyethylene naphthalate
03/08/1988US4729803 Synthetic rubber dissolved in microcrystalline wax
03/08/1988CA1233937A1 Crosslinked polymers obtainable by cationic polymerization and formed from unsaturated bicyclic imides
03/08/1988CA1233838A1 Borosilicate glass compositions
03/02/1988EP0257862A1 Blends of a poly (aryl ether) and a poly (alkylene terephthalate) for electrical devices
03/02/1988EP0257593A2 Ceramic composition with improved electrical and mechanical properties
03/02/1988EP0257432A2 Vinyl chloride resin composition
03/02/1988EP0257144A1 A coil coating paint composition
03/01/1988US4728697 Novel copolyamideimides, prepolymers therefor and method for their preparation
03/01/1988US4728686 For electrodeposition
03/01/1988US4728574 Electric cable with insulation of ethylene vinyl alcohol copolymer and ammonium polyphosphate
03/01/1988US4728562 Dielectric composition
02/1988
02/25/1988WO1988001429A1 Wire-coating vinyl chloride resin composition
02/24/1988EP0256603A2 Multi-layer film structure and electrical cable incorporating same
02/24/1988EP0256340A1 Electrical insulation
02/24/1988CN87105548A Barium titanate based dielectric compositions
02/23/1988US4726993 Heat resistant; self extinguishing
02/23/1988CA1233295A1 Low viscosity epoxy resin compositions
02/16/1988US4725479 Dimensional stable, transparent
02/16/1988US4725458 Cured product of polyamide, solvolytic agent, organic titanate catalyst, blocked polyisocyanate and hydroxy-rich polyester; by-product inhibition; noncracking
02/16/1988CA1232995A1 Thermoplastic elastomeric compositions based on compatible blends of an ethylene copolymer and vinyl or vinylidene halide polymer
02/11/1988WO1988000986A1 Process for forming insulating film on electrical sheet
02/11/1988WO1988000886A1 A shaped article formed from a blend of a poly(aryl ether) and a polycarbonate
02/11/1988DE3710975A1 Verfahren zur herstellung einer keramikzusammensetzung A process for preparing a ceramic composition
02/10/1988EP0255657A1 Electrical insulation
02/09/1988US4724277 Cable with flooding compound
02/09/1988US4724248 Voltage stabilizing esters and urethanes
02/09/1988US4724182 Low surface roughness, accuracy