Resin composition, process of making same, article impregnated there-with and process of impregnating

Claim 1

THE PROCESS OF PREPARING A REINFORCED MATERIAL OF HIGH ELECTRICAL RESISTANCE AND LOW DIELECTRIC CONSTANT, WHICH COMPRISES IMPREGNATING A SHEET OF POROUS REINFORCING MATERIAL WITH A CURABLE FLUID COMPOSITION COMPRISING FOR THE MAJOR COMPONENT A PLUMERIZABLE POLYESTER RESIN WHICH IS THE REACTION PRODUCT OF A POLYHYDRIC ALCOHOL WITH A POLYBASIC UNSATURATED ACID REAGENT SELECTED FROM THE GROUP CONSISTING OF MALEIC AND FUMARIC ACIDS POLYMERIZED BUTENE WITH A MOLECULAR WEITHT FROM 840 TO ABOUT 1500, A HALOGENATED PARAFFIN HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF LIQUID AND SOLID ALIPHATIC HIGH-CARBON COMPLEXES CONTAINING 40 TO 70 PERCENT BY WEIGHT OF HALOGEN, AND A POLYMERIZABLE ORGANIC LIQUID SELECTED FROM THE GROUP OF MONOMERIC SUBSTANCES CONSISTING OF STYRENE, METHYL STYRENE, VINLY ACETATE, AND METHYL METHACRYLATE, SAID LIQUID HAVING THE FOREGOING COMPONENTS IN SOLUTION THEREIN, AND HEATING THE SAME TO EFFECT CURING OF THE COMPOSITIOIN.