Abstract: A photosensitive sag resistant composition is made containing cycloaliphatic epoxy resin, a flexibilizing agent, arc and track resistant filler, thixotroping agent, and an amount of a photosensitive compound effective to initiate gelation with ultraviolet light exposure, where the composition is resistant to sag upon application to a surface, and has chemical and physical resistance to arced SF.sub.6 upon cure.

Abstract: A static-dissipating laminate is made, containing at least a bottom core layer and a top decorative layer, both layers containing fibrous material which is impregnated with a resin, where at least the decorative layer has a metal salt distributed through it in an amount effective to provide an antistatic effect to the laminate, so that static charges accumulating on the top of the decorative layer are dissipated.

Abstract: A prepreg useful as the core in flame resistant cooper clad, composite, printed circuit boards is made by impregnating a porous substrate with an impregnant containing: either a brominated epoxy or epoxy resin and reactive flame retarding additive containing bromine and phenolic hydroxyl groups (e.g., tetrabromobisphenol A), phenolic novolac oligomer as curing agent, unsaturated epoxidized oil, and optionally, a suitable catalyst; and then heating the impregnated substrate to the "B"-stage.

Abstract: A resin containing laminate is made, where the resin comprises the cured admixture of phenolic resin, sulfur containing lignin, and a catalytic reactant containing 50 wt. % to 100 wt. % of an alkaline-earth compound and 0 wt. % to 50 wt. % of an alkali-metal compound.

Abstract: A low shrinkage silica containing hardenable composition is made, containing an anhydrous Lewis acid, a naturally occurring medium drying oil, and submicroscopic silicon dioxide.

Abstract: The iron electrodes of a battery are recharged by removing them from the battery, heating them in a reducing gas atmosphere at over about 450.degree. C., for a sufficient time to convert discharged iron compounds to charged iron compounds, and then cooling the charged electrodes.

Abstract: A water soluble addition copolymer is formed by reaction admixing a monomer having a pendant vinyl group attached to at least one ring structure selected from the group consisting of nitrogen containing heterocyclic ring structures and aromatic ring structures and their mixtures, and a monomer selected from the group consisting of maleic anhydride, fumaronitrile, tetracyanoethylene, maleimide and their mixtures, where such addition copolymer can be used alone, as curable a insulating coating composition, or can be added to a resin, to form a curable resinous insulating coating composition.

Abstract: A sintered nonlinear resistor body, useful in gapless lightning arresters comprises a major amount of ZnO and additional metal oxides including at least Al.sub.2 O.sub.3 and an amount of selected alkali metal oxide of from about 0.003 mole % to about 0.2 mole %.

Abstract: Hydrogen is recovered from aqueous hydriodic acid in the presence of sulfuric acid, in an electrolysis cell having an anode and cathode compartment separated by a hydrogen ion permeable membrane, by electrochemically liberating iodine in the anode compartment by anodization of iodide anions, and electrochemically generating hydrogen in the cathode compartment from hydrogen cations that migrate across the membrane.

Abstract: A sintered nonlinear resistor body, useful in gapless lightning arresters comprises a major amount of ZnO and additional metal oxides including at least Al.sub.2 O.sub.3 and an amount of boron oxide of from about 0.005 mole % to about 0.25 mole %.

Abstract: An alkyl-di-substituted imidazole, is used as accelerator and co-curing agent in epoxy coating and impregnating resins useful in the manufacture of high temperature multi-layer laminates.

Abstract: A sintered nonlinear resistor body, useful in gapless lightning arresters comprises a major amount of ZnO and additional metal oxides including at least Al.sub.2 O.sub.3 and an amount of boron oxide of from about 0.005 mole % to about 0.6 mole %, in combination with a total amount of at least one selected alkali metal oxide of from about 0.005 mole % to about 0.3 mole %.

Abstract: An electrode for use in electrochemical energy cells is made, comprising a hydrophilic layer and a hydrophobic layer, where the hydrophilic layer comprises a hydrophilic composite which includes:(i) carbon particles;(ii) stainless steel particles;(iii) a nonwetting agent; and(iv) a catalyst, where at least one current collector contacts said composite.

Abstract: A high strength, metallic fiber battery plaque is made using reactive diffusion bonding techniques, where a substantial amount of the fibers are bonded together by an iron-nickel alloy.

Abstract: Increasing the strip coefficient of a strip solution stream in a reductive stripping uranium recovery process involving wet process phosphoric acid feed is accomplished by adding effective amounts of H.sub.2 SO.sub.4 to the strip solution stream before it exits the reductive stripping means.

Abstract: An electrode is made comprising a porous backing sheet, and attached thereto a catalytically active layer having an electrolyte permeable side and a backing layer contacting side, where the active layer comprises a homogeneous mixture of active hydrophobic and hydrophilic agglomerates with catalyst disposed equally throughout the active layer, and where the agglomerate size increases from the electrolyte permeable side to the backing sheet contacting side.

Abstract: A battery plate is made by loading a supporting porous metallic plaque with an electrode paste comprising: (1) NiCO.sub.3, (2) cobalt additive, (3) sufficient water to form a paste, and optionally (4) a deflocculant.

Abstract: A method of curing an anaerobic resin, which primarily contains acrylic resin, includes externally catalyzing the cure of the resin with a metal-beta keto ester complex having the structural formula: ##STR1## where M is a transition metal; R.sub.1 is selected from the group consisting of alkyl groups having from 1 to 20 carbon atoms, benzene, naphthalene, anthracene, and hydrocarbon substituted aromatic; R.sub.2 and R.sub.3 are selected from hydrogen, alkyl groups having from 1 to 20 carbon atoms, benzene, naphthalene, anthracene and hydrocarbon substituted aromatic; R.sub.4 is selected from alkyl groups having from 1 to 20 carbon atoms; and n is equal to the valence of the metal M.

Abstract: A bondable electrical conductor is made of an adherent insulating resinous first layer, directly covered by an adhesive layer consisting essentially of the uncatalyzed mixture of epoxy resin, having an epoxy equivalent weight of from about 250 to about 750, and a phenoxy resin.

Abstract: In a uranium recovery process, barren, organic solvent, which contains entrained, reduced iron containing phosphoric acid, exiting the stripper is contacted with oxidized raffinate acid, before extraction, in an amount effective to remove about 70% to 98% of the entrained acid.