Abstract: A method is disclosed for improving the signal retention of a liquid crystal sensing element comprising an embossed cavity containing the liquid crystal and a cover layer sealing the liquid crystal in the cavity by heat treating at about 95.degree. to about 120.degree. C. for a time sufficient to cause the embossed cavity to shrink to substantially its original form thereby forcing the liquid crystal to be forced up against the cover layer to form a domed structure. Essential to the success of the process is incorporation in the cavity of about 10 to about 50% by volume of air based on the volume of the cavity.

Abstract: An improved method for preparing a basic aluminum hyrdoxy-chlorosulfate is disclosed comprising reacting a basic aluminum chloride with a sulfate source, i.e. H.sub.2 SO.sub.4 or aluminum sulfate, and modifying the reaction product by the addition of minor amounts of calcium containing compound and a water soluble iron salt. The product is useful in water treatment, is effective in cold water as well as low alkalinity water. A magnesium compound can be added to the composition where the calcium source contains no magnesium.

Abstract: A residue free, antiperspirant gel stick composition is disclosed which comprises an antiperspirant compound which is soluble in a diol, a normally liquid, water soluble diol, a gelling agent and a zinc glycinate in amount sufficient to control the pH of the gel stick at about 4.1 to about 5.0, the glycine to zinc mole ratio of the zinc glycinate added being about 2.0/1 to about 3.0/1. The process for preparing a diol soluble antiperspirant active useful in preparing the residue free gel stick is also disclosed and comprises reacting an antiperspirant compound with a water soluble, normally liquid diol in a water solution by heating for about 1 to about 100 hours at a temperature of about 50.degree. C. to about 110.degree. C.; adding a zinc glycinate to the reaction mixture and removing the water to recover a powdered antiperspirant active.

Abstract: An improved steam sterilization process monitor is disclosed comprising a backing strip, a wicking means in intimate contact with an organic compound mounted on the backing strip and a water vapor rate controlling cover strip. In the preferred embodiment the backing strip comprises aluminum foil having a polypropylene interlayer adhesively bonded thereto. The sole means for bonding the cover strip to the backing strip is by heat sealing. The cover layer is heat sealed to the backing strip over the entire land area of the backing strip surrounding the wicking means, but is not heat sealed to the wicking means. The organic compound has a normal melting point in the absence of water vapor of about 5.degree. to about 50.degree. F. above a predetermined control temperature.

Abstract: A filter apparatus having a bag filter subassembly for collecting contaminating material. The bag filter subassembly includes a bag filter unit and an integral collar. The bag filter unit has an outer layer having mesh of selective strand size and selective pore size to give added strength to the bag.

Abstract: Polymeric basic aluminum halides having the empirical formula:Al.sub.2 (OH).sub.6-y X.sub.ywhere X is chlorine, bromine or iodine, y has a numerical value from 0.7 to 3, and whose polymer distribution as characterized by size exclusion chromatography is:(a) 100% of the polymers are found in Bands II, III and IV, and(b) Band III contains at least 25% of the polymer; are obtained by reacting aluminum metal with HX in water at a temperature of about 70.degree. C. to about 100.degree. C., where X is halogen, wherein the concentration of product in solution is about 8 to about 35 wt. %.

Abstract: A radiation dosimeter for preparing a dosage map of a specific rotary canister of a blood radiating machine. This dosimeter includes a sandwich assembly of a first panel and a second panel and a gamma ray-sensitive film disposed therebetween, for mounting temporarily in the canister during gamma ray dosage and canister rotation.

Abstract: Polymeric basic aluminum halides having the empirical formula:Al.sub.2 (OH).sub.6-y X.sub.ywhere X is chlorine, bromine or iodine, y has a numerical value from 0.7 to 3, and whose polymer distribution as characterized by size exclusion chromatography is:(a) 100% of the polymers are found in Bands II, III and IV, and(b) Band III contains at least 25% of the polymer; are obtained by heating aluminum metal with AlX.sub.3.6H.sub.2 O in water, where X is halogen.

Abstract: A temperature measuring device useful for measuring the temperature of urine samples is disclosed comprising a solid solution having incorporated therein a nucleating agent and an indicating dye system. The preferred solid solution is a mixture of ortho-chloronitrobenzene and ortho-bromonitrobenzene. The preferred dye systems are pinacyanol iodide and a mixture of bromcresol purple and ethyl red. A novel aspect of the thermometer is that it is adapted to indicate a predetermined temperature at an observable initiation of melt temperature which is about 0.3.degree. to about 1.9.degree. F. below the completion of melt temperature of the composition. The thermometer is a real time device.

Abstract: A filter apparatus having a bag filter subassembly for collecting contaminating material. The bag filter subassembly includes a bag filter having a top end portion and an integral collar. The collar has a lower portion fixedly connected to the bag filter, and has a middle portion to be supported within a vessel, and has a top lip portion to engage a cover plate of the vessel. The collar has a pivotal web portion disposed between the middle portion and the top lip portion, and has an inner surface with a groove having sidewalls, whereby internal pressure on the sidewalls pivot the top lip portion causing a sealing ring bearing area on the cover plate.

Abstract: A filter apparatus having a bag filter subassembly for collecting contaminating material. The bag filter subassembly includes a bag filter having a top end portion and a gasket ring having a goove receiving the top end portion. The gasket ring has a pair of opposite, upright, axial handles each having a finger-grip, loop portion and a resilient stem portion. The upright handles, which are used for lifting the bag filter from an enclosure vessel deflect down to a radial position when a cover is positioned on the vessel and also spring up when the cover is removed.

Abstract: A filter apparatus having a bag filter subassembly for collecting contaminating material. The bag filter subassembly includes a bag filter having a top end portion and a gasket ring having a groove receiving the top end portion. The gasket ring is a molded article, composed of a polyurethane composition. The groove has opposite sidewalls with molded protrusions caused by recesses in the top end portion. The recesses can be microscopically small, depending upon the fabric of the filter bag.

Abstract: A fluid filter of the bag type that has a rotatable agitator means mounted within the filter chamber.

Abstract: A cosmetic composition comprising an ester containing emulsion, an emulsifier having the empirical formula ##STR1## and a minor amount of water. The composition is a clear, water-in-ester microemulsion having the feel of mineral oil. Sunscreen additives and other active cosmetic ingredients can be incorporated into the blend.

Abstract: A method of generating iron/cobalt alloy filaments which includes atomizing and spraying a solution of dicobalt octacarbonyl in iron pentacarbonyl through an atomizing hole (12) into a reaction chamber (14) surrounded by a solenoidal field (19), while simultaneously decomposing the solution to produce iron/cobalt filaments.

Abstract: A granule application device for use in making a shingle roofing product is provided. This device includes a sheet having a weather protected headlap area and having a weather exposed butt area which moves continuously from an upstream end to a downstream end. The device includes a blender applicator which dispenses blended butt granules on the sticky, asphalt treated, upper surface of the sheet for covering the butt area only. The device also includes a headlap applicator which dispenses less expensive headlap granules on the headlap area only. The device also includes a recycle applicator, which dispenses recycle granules over the blended granules on the butt area only, and dispenses scrap granules over the headlap area only. The moving sheet is supported on a talc drum and a slate drum near the downstream end, and is supported on a back roll near the upstream end thereof.

Abstract: An ejector (10) is provided, which has an easily replaceable nozzle unit (22). The ejector includes a steam chest (16), a suction chamber (18), a diffuser (20) and a nozzle unit, wherein the steam chest has an outside end wall (24) having an opening with a removable cap (32) for removing the nozzle unit and for replacing the nozzle unit, or a duplicate thereof, through the opening. The steam chest has an axis and has a coaxial steam chest cavity (29) with an inlet opening (34) for steam. The suction chamber connects coaxially to the steam chest and has a coaxial suction chamber cavity with an inlet opening. The diffuser is coaxial with the steam chest and the suction chamber and has an elongate coaxial passage for exhausting the suction chamber cavity. The nozzle unit interconnects the steam chest cavity and the suction chamber cavity is coaxial therewith.

Abstract: A solar roofing assembly is provided including a roofing membrane, a plurality of insulation blocks disposed as a layer on top of the roofing membrane, a plurality of pavers disposed as a layer on top of the plurality of insulation blocks, and a plurality of photovoltaic cells, each supported on a respective paver. In a second embodiment, each paver has a respective photovoltaic cell bonded to the top surface of the paver and has a respective insulation block bonded to the bottom surface of the paver forming a shop assembled, three-layer unit. The insulation block is also tapered with one side edge being thicker than an opposite side edge so that rain water will run off the top surface of the photovoltaic cell. The three-layer paver units are arranged on top of the roofing membrane, so that the top surfaces of the photovoltaic cells face south or in the direction of increased sun exposure. The insulation blocks have interlocking side surfaces.

Abstract: A method and apparatus for the manufacture of metallic filaments is provided. The method and apparatus are used in the continuous manufacture and production of metallic filaments. The apparatus comprises a vertical reactor having a vertical chamber and having three mixing nozzles disposed at the top of the chamber and three vapor lines connecting to the respective three mixing nozzles along the axes of the nozzles, and three gas lines connecting to the respective three mixing nozzles in respective tangential directions. The apparatus also has twelve ring magnets, which are coaxially disposed, and which are mounted on the outside of the vertical ractor. The apparatus also has an outlet duct at the bottom of the chamber. The three vapor lines are supplied through three respective steam-heated heat exchangers from a feed vessel for supplying iron pentacarbonyl vapor to the mixing nozzles. The three gas lines are supplied from a nitrogen receiver tank.

Abstract: A process and apparatus is provided for making a rubber-like product from rubber scrap, such as recycled tire scrap. The process includes mixing the rubber scrap with from 1 percent to 15 percent, with respect to the weight of the rubber scrap, of added sulphur, and applying a pressure thereto of about 1000 to 3000 pounds per square inch for 1 to 10 minutes at a temperature of from about 250 degrees F. to about 450 degrees F. In addition, 1 to 8 percent, with respect to the weight of the rubber scrap, of antioxidants and antiozonants are added to the mixture of rubber scrap and sulphur. The sulphur is free sulphur. Derivative sulphur compounds, or like vulcanizing agents, can be added in place of the free sulphur of about 1 to 45 percent of the weight of the rubber scrap. The rubber scrap is buffing of recycled tire rubber, or powder made from recycled tire rubber. An apparatus for carrying out the process is also provided.