Abstract: The invention relates to a process for producing nonaqueous secondary battery comprising, in a battery case, positive and negative electrodes capable of intercalating and deintercalating lithium and a nonaqueous electrolyte containing a lithium salt, the electrodes being prepared by applying a water-dispersion electrode material mixture paste containing at least an active material capable of intercalating and deintercalating lithium and at least one conducting agent comprising a carbonaceous compound onto a collector and drying, wherein at least one of the electrodes is prepared from a water-dispersion electrode material mixture paste which is prepared by using a dispersion comprising water having dispersed therein at least one conducting agent together with a dispersion aid.

Abstract: A battery tester is formed at an AC constant-current generator for applying an AC current for measurement to a battery BT under test via a coupling capacitor, an internal resistance detecting device for detecting the internal resistance of the battery BT according to a voltage signal therefrom when the AC current is applied, a voltage detecting device for detecting the terminal voltage across the battery, and a deterioration judging unit for judging the deterioration of the battery from the internal resistance and terminal voltage detected by the internal resistance detecting device and the voltage detecting device. The internal resistance and terminal voltage of the battery are measured simultaneously, and deterioration of the battery is judged from the measurement data.

Abstract: In a non-aqueous lithium ion secondary battery comprising a positive electrode sheet which comprises a lithium-containing transition metal oxide film, a negative electrode sheet which has a film of material capable of receiving and releasing a lithium ion, a non-aqueous electrolyte which contains a lithium salt, and a container which seals the electrodes and electrolyte therein, the lithium-containing transition metal oxide film comprises at least two layers, one of which expands during discharging while shrinks during charging, and another of which shrinks during discharging while expands during charging.

Abstract: A nonaqueous secondary battery is disclosed, comprising a positive electrode sheet having on a current collector an electrode material mixture layer containing a lithium-containing transition metal oxide as a positive electrode active material, a negative electrode sheet having on a current collector an electrode material mixture layer containing a negative electrode material capable of intercalating and deintercalating lithium, and a nonaqueous electrolyte containing a lithium salt, wherein in at least one of said positive electrode sheet and said negative electrode sheet, in the case of the positive sheet, a layer containing no positive electrode active material is provided between plural electrode material mixture layers containing the positve electrode active material or between the electrode material mixture layer and the current collector; and in the case of the negative electrode sheet, a layer containing no negative electrode material capable of intercalating and deintercalating lithium is provided be

Abstract: A nonaqueous secondary battery containing at least one metal oxide as a positive electrode active material, at least one metal oxide as a negative electrode active material, and an ion conductive electrolyte is disclosed, in which the positive electrode material mixture and/or the negative electrode material mixture contain(s) a binder selected from a carboxyl-modified styrene-butadiene copolymer, a polymer of formula (I) , and a polymer of formula (II): ##STR1##

Abstract: There is disclosed a silver halide color photographic material which comprises a compound selected from the group consisting of sparingly water-soluble epoxy compounds represented by formula (I), (II), or (III) given below and a dye-forming coupler in a layer on a base. ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 each represent an alkyl group or a halogen atom, L.sup.1 and L.sup.2 each represent a divalent aliphatic organic group, M represents an oxygen or nitrogen atom, A represents a polyvalent linking group, a, b, and c each are an integer of 0 to 4, x and y each are a real number of 0 to 20, l is 1 or 2, and m is an integer of 2 to 4.

Abstract: There is disclosed a silver halide color photographic material which comprises a hydrophilic colloid layer, on a paper base, containing a compound selected from the group consisting of sparingly water-soluble epoxy compounds represented by formula (I), (II), or (III) given below and a dye-forming coupler in a layer on a base wherein the pH of raw paper is 5 to 9. ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 each represent an alkyl group or a halogen atom, L.sup.1 and L.sup.2 each represent a divalent aliphatic organic group, M represents an oxygen or nitrogen atom, A represents a polyvalent linking group, a, b, and c each are an integer of 0 to 4, x and y each are a real number of 0 to 20, l is 1 or 2, and m is an integer of 2 to 4.

Abstract: An image receiving element for use in a silver salt diffusion transfer process comprising at least an alkali neutralization layer, a neutralization timing layer and an image receiving layer containing silver precipitation nucleus material in regenerated cellulose obtained by saponfying a cellulose ester with a substantially water free alkaline solution after coating disposed on a support in the recited order, wherein the alkaline solution contains from 1 to 20% by weight of a polyhydric alcohol having two or more hydroxyl groups or a derivative thereof. Saponification carried out for forming the image forming layer can be kept from progressing into the layers situated below, thereby enabling the obtainment of satisfactory image receiving sheets with less increase in stains, less density lowering in the storage stability, and less change in the tone.

Abstract: A color photographic element for use in color diffusion transfer photography comprised of a lightsensitive dye release and receiving sheet and a cover sheet, wherein development, dye release and dye transfer occur in the presence of an alkaline processing solution, and wherein the cover sheet is provided with a neutralizing system which causes neutralization by an alkaline processing solution to proceed by at least a first and a second stage, wherein the first stage is characterized in that neutralization (lowering) of the pH of an alkaline processing solution occurs to the extent to interrupt development and dye release reactions but at which the transfer of a dye for forming a transfer image can continue, and a second stage at which the pH of the processing solution is gradually lowered to a final value which is stably maintained over prolonged storage, the photographic element characterized in that the neutralizing system comprises at least a neutralizing layer, a 2nd neutralization timing layer, an auxili

Abstract: Disclosed is a color diffusion transfer photographic element having a neutralization system for lowering the pH value of an alkaline processing solution, wherein the said neutralization system contains a reducing sugar in an amount of from 0.1 to 20 mmol/m.sup.2. The element may be a monosheet type element comprising a light-sensitive element and a cover sheet, and the neutralization system may be present either in the light-sensitive element or in the cover sheet. By the addition of the reducing sugar to the neutralization system, the image storability (light-fastness) under high temperature and high humidity conditions can be improved.

Abstract: A color diffusion transfer photographic element comprised of a light-sensitive dye release and receiving sheet and a cover sheet, wherein development, dye release and dye transfer occur in the presence of an alkaline processing solution, and wherein the cover sheet is provided with a neutralizing system which causes neutralization by an alkaline processing solution to proceed by at least a first and second stage, wherein the first stage is characterized in that neutralization (lowering) of the pH of an alkaline processing solution occurs to the extent to interrupt development and dye release reactions but at which the transfer of a dye for forming a transfer image can continue, and a second stage at which the pH of the processing solution is gradually lowered to a final value which is stably maintained over prolonged storage, the photographic element characterized in that the neutralizing system comprises at least a neutralizing layer, a second neutralization timing layer, an auxiliary neutralizing layer, and

Abstract: A process for forming an image by silver salt diffusion transfer comprising developing a light-sensitive element which comprises a support having provided thereon a light-sensitive silver halide emulsion layer which has been imagewise exposed to light by an alkaline processing composition in the presence of a silver halide solvent so that at least a part of silver halide unexposed in said emulsion layer is converted to a transferable silver complex salt, and then transferring at least a part of said silver complex salt to an image-receiving layer containing a silver precipitating agent to form an image on said image-receiving layer, wherein the concentration of said silver precipitating agent in said image-receiving layer is in the range of from 2.times.10.sup.-6 to 8.times.10.sup.-6 mol/m.sup.2 and at least one of said light-sensitive element and said alkaline processing composition contains at least one of a compound represented by formula (I) and a compound represented by formula (II) ##STR1## wherein R.

Abstract: A process for improving adhesion between photographic layers of a photographic element comprising a support having provided thereon at least(1) a first photographic layer comprising a high molecular weight compound having a functional group capable of reacting with an isocyanate group and(2) a second photographic layer comprising a high molecular weight compound having a functional group capable of reacting with an isocyanate group which compound is different from the high molecular weight compound of said first layer,which process comprises coating from 2 to 20 ml/m.sup.2 of a solution containing a polyisocyanate compound having at least two isocyanate groups on the first photographic layer, drying said solution, and then coating the second photographic layer.

Abstract: In a color diffusion transfer photographic element, a novel neutralization system for reducing the pH of an alkaline processing solution comprises at least two steps wherein the first step pH of the processing solution is reduced to a range in which development and dye release reactions are substantially discontinued but in which diffusion of dyes for forming transfer images continues, and in the second step pH is further reduced and allows to reduce at a neutralization rate lower than the rate in the first step to a final pH of which the transfer image formed is stable upon storage for a long period.