Abstract: The present invention relates to an improved method to produce an electrical storage device having useful characteristics such as higher charge density, small volume, long-term reliable charge/discharge cycles, low leakage current, and the like. The dry preunit has useful properties in that it can be stored for long periods prior to contact with a non-aqueous or aqueous electrolyte. When the electrode surfaces are contacted with a non-aqueous or aqueous electrolyte, the novel capacitors produced are useful as a portable power supply in applications such as in defibrillator, electrical vehicles, radiotelephones etc.

Abstract: Electrodes of an electrical charge storage device are separated by forming on the surfaces of the electrodes arrays of substantially uniform electrically insulating microprotrusions made preferably of an organic epoxide polymer. The electrodes are thin, flat electrically conducting metal sheets coated on one or both flat surfaces with electrically conducting porous carbon or a porous metal oxide. The microprotrusions are applied to the coated electrodes through a stencil by screen printing and essentially retain their shape and dimensions after curing.

Abstract: A thermocouple-based cardiac blood flow sensor for allowing discrimination between physiologic rhythms and pathologic rhythms of the heart. The sensor is built on a cardiac catheter or lead from a union of two dissimilar metals. The thermocouple junction is radially activated by blood flowing past the junction while situated in a blood vessel such as the superior vena cava. Temperature differences measured at axially displaced sites are related to blood flow and blood velocity. The thermocouple-based blood flow sensor is easy to use and unobtrusive. A further feature incorporates electrodes whereby impedance plethysmography can be used to determine blood vessel cross-sectional area so that blood flow through vessels which change in size can be assessed.

Abstract: A pacemaker having an electrical stimulation source of known type is provided with a sense amplifier having a switched capacitor circuit which allows switching of the amplifier's bandpass frequency characteristic thereby selectively varying the cardiac signal frequencies subject to sensing. The heart's electrical activity is detected in a first predetermined low frequency range after to delivery of a stimuli to detect evoked electrical activity and a second predetermined high frequency range to detect intrinsic electrical activity. The magnitude of stimuli is varied response to the detected presence or absence of evoked electrical activity.

Abstract: Poly(cyclohexanedimethylene dibromoterephthalate).This invention relates to poly(cyclohexanedimethylene 2,5-dibromoterephthalate). More particularly this invention relates to self-extinguishing poly(cyclohexanedimethyl 2,5-dibromoterephthalate) fibers.

Abstract: This invention relates to poly(tetramethylene 2,5-dibromoterephthalate). More particularly this invention relates to self-extinguishing poly(tetramethylene 2,5-dibromoterephthalate) fibers.

Abstract: Preparation of polyesters, particularly homopolymeric trimethylene 2,5-dibromoterephthalate, by reacting alpha, omega alkylene glycol with dimethyl 2,5-dibromoterephthalate in presence of catalytic amounts of calcium alkanoate and titanate catalyst.

Abstract: This invention relates to poly(tetramethylene 2,5-dibromoterephthalate). More particularly this invention relates to self-extinguishing poly(tetramethylene 2,5-dibromoterephthalate) fibers.

Abstract: Isolation of polyhalobenzenepolycarboxylic acids from a sulfuric acid medium by diluting said sulfuric acid medium with liquid sulfur dioxide and partitioning said polyhalobenzenepolycarboxylic acids from said sulfuric acid medium.