Abstract: An improved method for processing aluminum dross containing fluxing salt to provide a fired inorganic or ceramic product wherein said dross is processed to remove fluxing salts therefrom, and wherein a non-metallic product is recovered. The improved process comprises providing a body of the non-metallic product in an aqueous slurry, a major portion of the body comprised of Al.sub.2 O.sub.3 and minor portions of said body comprised of SiO.sub.2 and MgO. The composition of the slurry is adjusted by adding one of Al.sub.2 O.sub.3 and SiO.sub.2 in an amount sufficient to form the fired inorganic product on heating. The slurry is heated to a temperature sufficiently high to fire the slurry and produce the fired inorganic product.

Abstract: Disclosed is an improved flux comprising 32 to 61 wt. % sodium chloride, 2 to 15 wt. % magnesium chloride, 2 to 12 wt. % carbon, the remainder potassium chloride.

Abstract: An improved process for treating a body of molten metal is disclosed wherein a rotating impeller is used to disperse treatment media in the body. The process comprises the steps of providing a body of molten metal to be treated, the body having an upper region and a lower region, and providing an impeller on a shaft in said body. Treatment media is added to the body and the impeller is rotated to disperse the treatment media in the body. During the process of treating the body, the impeller is moved periodically between the lower portion and the upper portion of the molten metal body to reduce vorticity therein and to improve dispersion of the treatment media.

Abstract: Disclosed is a large alloy forging, the forging having an alloy composition selected from one of a nickel base alloy, a cobalt-chromium-nickel base alloy, a nickel-cobalt base alloy and an iron-nickel-chromium-molybdenum alloy, the forging having a grain size of ASTM grain size 3 or finer, as measured by ASTM method E112 and having a tensile strength in the range of 135 to 175 KSI.

Abstract: Disclosed is an improved ladle suitable for transferring molten metal from a molten metal body. The ladle is fabricated from a titanium alloy and coated with a refractory resistant to attack by the molten metal. The titanium alloy and refractory coating have coefficients of thermal expansion that permit the ladle to be cycled in and out of the molten metal without spalling of the refractory coating from the titanium alloy.

Abstract: There is provided an improved method for dispersing a treatment media in a body of molten metal using an impeller to disperse the media in the body of molten metal, the method producing increased shear forces in the body of molten metal and reducing vortex formation. The method comprises the steps of providing a body of molten metal and an impeller on a shaft in the body. A treatment media is added to the body and dispersed by rotating said impeller in one direction and thereafter reversing the direction of rotation of the impeller to a counter direction. The direction of rotation of the impeller is reversed periodically to substantially reduce formation of a vortex around the shaft of the impeller and to provide increased shear forces in the body for purposes of improving treatment of the molten metal by improved dispersion of the media therein.

Abstract: Disclosed is an exercise machine suitable for exercising upper body muscles of an exerciser in a wheelchair. The machine comprises a base frame having a front end and a back end; two spaced apart columns upwardly extending from the base frame at the front end thereof; means for restraining backward movement of the exerciser. An operating arm is pivotally mounted between the columns at an upper region thereof, the operating arm comprising: (i) an upwardly extending first lever pivotally mounted to the columns; and (ii) a downwardly extending second lever fixedly connected to the upwardly extending first lever, the downwardly extending second lever terminating in a grip bar for the exerciser, the operating arm pivoting to permit upward/downward and forward/backward movement of the grip bar. Means is provided for restraining lap movement of the exerciser using the machine. A restraining force is attached to the arm to resist movement of the exerciser.

Abstract: Disclosed is a method of preparing a photographic coupler comprised of 1-aryl-3-substituted-4-heterocyclic-5-pyrazolone development inhibitor releasing coupler for use in a photographic element, said coupler capable of reacting with oxidized color developer to release a heterocyclic coupling-off group containing an inhibitor.

Abstract: Disclosed is a method of removing slag from a body of molten iron comprising the steps of providing a body of molten iron in a crucible, the body having a layer of slag on the surface thereof, the crucible having a side thereof for removing slag therefrom. Means is provided for removing the slag at the side from the surface of the molten iron. Gas is injected into the molten iron to concentrate the slag on the surface adjacent the side for removing the slag to facilitate removal thereof. The concentrated slag is removed over the side by the means for removing the slag.

Abstract: Disclosed is a probe for determining the gas content of molten metal. The probe comprises a porous filter head permeable to gas and impermeable to the molten metal and a hollow cast iron tube or sleeve having an upper portion and a lower portion, the sleeve or tube attached to the filter head at the lower portion. A small diameter tube may be positioned in the sleeve, or the cast iron tube may be formed to provide a small diameter bore. Means for drawing a vacuum on the tube and means for measuring gas pressure in the tube is provided.

Abstract: Photographic compound (A) capable, upon oxidative coupling, of forming a dye, comprises in the coupling position, a coupling-off group that comprises in sequence, a releasable benzotriazole group attached to a triazole, tetrazole, oxadiazole, thiaoxadiazole, or thiadiazole inhibitor group represented by the formula: ##STR1## wherein R.sub.a, R.sub.b, R.sub.c R.sub.1, R.sub.2 and Q are as defined in the application. Such a compound (A) is useful in a photographic silver halide material and process to provide improved images.

Abstract: A laminate suitable for vehicular applications includes at least two sheets of aluminum alloy and an adhesive layer between the sheets bonding them together. An oxide layer on surfaces of the sheets is treated with a phosphorous acid electrolyte, so that a coordination number of four predominates for the aluminum-oxygen-phosphorous bond. Equivalent bonding strengths in the laminates are obtained in substantially less time with phosphorous acid treatment compared with phosphoric acid treatment.

Abstract: A color photographic element is disclosed comprising a support bearing at least one photographic silver halide emulsion layer, an image dye-forming coupler, and a coupler (A) capable of forming a compound that is washed out of the photographic element upon processing and capable of releasing a bleach accelerator group, wherein the coupler (A) is represented by the formula:(SOL).sub.x --COUP--(R.sup.1).sub.y --(R.sup.2).sub.z --BLEACH.

Abstract: A membrane having a multiplicity of openings therethrough which are sized and shaped to utilize the random motion of molecules of gas to produce gas flow through the membrane predominantly in one direction. Such a membrane can be used in power systems, gas separation systems and other systems which utilize fluid flow.

Abstract: There is disclosed a method of treating a solution, e.g., an alkaline or acidic solution, containing heavy metals ions therein. With respect to alkaline solutions, the method includes providing a body of the solution; contacting the body with a material such as carbon dioxide to change the pH, e.g., to lower the pH to a pH in the range of 9 to 10.5; then treating the solution to further change the pH and cause precipitation of hydroxides, including chromium hydroxide; and separating the hydroxide precipitates from the solution to provide a substantially neutral solution having a reduced amount of chromium ions, for example, contained therein.

Abstract: A photographic element is disclosed comprising a support bearing at least one photographic silver halide emulsion layer and at least one photographic coupler comprising a pyrazolotriazole moiety (PT), the coupler having the formula ##STR1## wherein PT is a pyrazolotriazole moiety.

Abstract: A color photographic element comprises a support bearing at least one photographic silver halide emulsion layer, an image dye-forming coupler, and a combination of a development inhibitor releasing coupler and a wash-out coupler, the washout coupler (A)(i) capable of forming a compound that is washed out of the photographic element upon processing and(ii) capable of releasing a bleach accelerator group, and(iii) is represented by the formula:(SOL).sub.x --COUP--(R.sup.1).sub.y --(R.sup.2).sub.z --BLEACHThe development inhibitor releasing coupler is selected from a timed and non-timed development inhibitor releasing coupler.

Abstract: A photographic element comprises a support bearing at least one photographic silver halide emulsion layer and at least one coupler (A) having a water solubilizing group wherein coupler (A) forms a compound that is washed out of the photographic element during photographic processing and forms a coupling-off group represented by the formula:--X--Rel.sup.2 --T.sup.2 --INHwherein;X is selected from oxygen, nitrogen or sulfur;X--Rel.sup.2 contains a photographic ballast and is a releasing group for releasing T.sup.2 --INH from X--Rel.sup.2 by elimination electron transfer reaction during photographic processing without substantial delay of releasing;T.sup.2 is a timing group that releases INH by elimination electron transfer reaction with timing delay during photographic processing;INH is a development inhibitor group.The photographic coupler (A) enables formation of easily removable dyes in photographic elements and processes that provide images having improved acutance, stability and interimage effects.

Abstract: A method of forming a photographic coupler (A) having the formula:(SOL).sub.x --COUP--(R.sup.1).sub.y --(R.sup.2).sub.z --BLEACHcomprising:(a) providing a coupler (B) having a coupling-off group represented by the formula: ##STR1## (b) reacting said coupling-off group of coupler (B) with phosgene to provide a chloroformate coupling-off group of coupler (B)(c) reacting said chloroformate coupling-off group of coupler (B) in the presence of a strong base selected from the group consisting of triethylamine, N,N-diisopropylethylamine, and tetramethylguanine with:R.sup.14 --R.sup.13 --SHto provide the R.sup.2 group and the BLEACH group of the coupler (A).

Abstract: A color photographic element comprising a support bearing at least one photographic silver halide emulsion layer and a combination of at least two couplers (A) and (B), coupler (A) capable upon reaction with oxidized developer of forming a compound that is washed out of the photographic element during photographic processing and capable of releasing a photographic development inhibitor or a timing group having a photographic development inhibitor, the timing group capable of providing timed release of said photographic development inhibitor and coupler (B) capable upon reaction with oxidized developer of forming a compound that is not washed out of the photographic element during photographic processing and capable of releasing a photographic development inhibitor with or without time delay. Such a color photographic material enables formation of improved color images.