There is provided a method for collecting and reusing an active material from positive electrode scrap. The positive electrode active material reuse method of the present disclosure includes (a) thermally treating positive electrode scrap comprising a lithium composite transition metal oxide positive electrode active material layer on a current collector in air at 300 to 650° C. for 1 hour or less for thermal decomposition of a binder and a conductive material in the active material layer, to separate the current collector from the active material layer, and collecting an active material in the active material layer, and (b) annealing the collected active material with an addition of a lithium precursor to obtain a reusable active material.

A porous silica particle with the small specific surface area and large pore volume, which is contained as the scrubbing agent in the cleansing cosmetics is provided. The porous silica particle has high collapsibility, and therefore the damage of the skin can be prevented. A porous silica particle according to the present invention has: an average circularity of 0.1 to 0.5; a pore volume of 0.1≦Pv<1.0 ml/g; a specific surface area of 5 to 60 m.sup.2/cm.sup.3; a median size of 100 to 1000 μm; a ratio of a maximum particle diameter to the median size, of 3.0 or less; and a median size of 5 to 40 μm and a maximum particle diameter of 15 to 200 μm, after rubbing for 30 seconds with a load of 1.0 to 1.4 KPa.

Provided is a diphosphorus pentasulfide composition for a sulfide-based inorganic solid electrolyte material, in which a molar ratio (S/P) of a content of sulfur (S) to a content of phosphorus (P) is 2.40 or higher and 2.49 or lower. In the diphosphorus pentasulfide composition for a sulfide-based inorganic solid electrolyte material, in a DSC curve of the diphosphorus pentasulfide composition obtained by measurement using a differential scanning calorimeter under conditions of a start temperature of 25° C., a measured temperature range of 30° C. to 350° C., a temperature increase rate of 5° C./min, and an argon atmosphere with a flow rate of 100 ml per minute, an endothermic peak is shown in a temperature range of 280° C. or higher and 300° C. or lower, and a half-width of the endothermic peak is 4.1° C. or higher.

A system and method for producing commercial strength solutions of aluminum chlorohydrate are provided. The method includes providing aluminum chlorohydrate monohydrate (ACHMH) powder, heating water to at least 120 F. and less than 200 F., and dissolving at least a portion of the ACHMH powder into the heated water to form the solution of aluminum chlorohydrate. The produced solution of aluminum chlorohydrate from the ACHMH powder has an aluminum oxide concentration ranging from about 18 wt % to about 27 wt %, has a basicity ranging from greater than 74% and less than 83%, and has a freezing point ranging from about 10 F. to about 16 F. The solution may also have an iron content of between about 0 to about 70 ppm as Fe.

A system and method for producing commercial strength solutions of aluminum chlorohydrate are provided. The method includes providing aluminum chlorohydrate monohydrate (ACHMH) powder, heating water to at least 120 F. and less than 200 F., and dissolving at least a portion of the ACHMH powder into the heated water to form the solution of aluminum chlorohydrate. The produced solution of aluminum chlorohydrate from the ACHMH powder has an aluminum oxide concentration ranging from about 18 wt % to about 27 wt %, has a basicity ranging from greater than 74% and less than 83%, and has a freezing point ranging from about 10 F. to about 16 F. The solution may also have an iron content of between about 0 to about 70 ppm as Fe.

A polyphosphate material is disclosed. The polyphosphate material can include a plurality of polyphosphate chains. The polyphosphate chains can have a backbone that include oxygen-phosphate bonds. Two or more cations can be included. Further, the polyphosphate material can be amorphous. The two or more cations can be monovalent cations, divalent cations, trivalent cations, tetravalent cations, and combinations thereof. The two or more cations can be lithium, sodium, potassium, rubidium, cesium, francium, ammonium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, titanium, iron (Fe.sup.2+), chromium (Cr.sup.2+), manganese (Mn.sup.2+), cobalt (Co.sup.2+), nickel (Ni.sup.2+), copper (Cu.sup.2+), cadmium, tin (Sn.sup.2+), mercury (Hg.sup.2+), lead (Pb.sup.2+), aluminum, boron, gallium, iron (Fe.sup.+3), chromium (Cr.sup.+3), cobalt (Co.sup.+3), gold (Au.sup.+3), antimony (Sb.sup.+3), nickel (Ni.sup.+3), bismuth (Bi.sup.+3), manganese (Mn.sup.+3) zirconium, silicon, and combinations of thereof. The two or more cations can be monovalent cations. The two or more cations can be sodium and potassium or potassium and lithium.

A porous silica particle with the small specific surface area and large pore volume, which is contained as the scrubbing agent in the cleansing cosmetics is provided. The porous silica particle has high collapsibility, and therefore the damage of the skin can be prevented. A porous silica particle according to the present invention has: an average circularity of 0.1 to 0.5; a pore volume of 0.1Pv<1.0 ml/g; a specific surface area of 5 to 60 m.sup.2/cm.sup.3; a median size of 100 to 1000 m; a ratio of a maximum particle diameter to the median size, of 3.0 or less; and a median size of 5 to 40 m and a maximum particle diameter of 15 to 200 m, after rubbing for 30 seconds with a load of 1.0 to 1.4 KPa.

There is provided a method for the manufacture of a metal part from powder comprising the steps: a) providing a spherical metal powder, b) mixing the powder with a hydrocolloid in water to obtain an agglomerated metal powder, c) compacting the agglomerated metal powder to obtain a part of compacted agglomerated metal powder, wherein the structure of the part is open, d) debinding the part to remove the hydrocolloid, e) compacting the part using high velocity compaction (HVC) preferably to a density of more than 95% of the full theoretical density, f) further compacting the part using hot isostatic pressing (HIP) preferably to more than 99% of the full theoretical density to obtain a finished metal part, wherein at least one oxide is added to the metal powder before step c), which oxide has a melting point higher than the melting point of the metal powder.

There is provided a method for collecting and reusing an active material from positive electrode scrap. The positive electrode active material reuse method of the present disclosure includes (a) thermally treating positive electrode scrap comprising a lithium composite transition metal oxide positive electrode active material layer on a current collector in air at 300 to 650 C. for 1 hour or less for thermal decomposition of a binder and a conductive material in the active material layer, to separate the current collector from the active material layer, and collecting an active material in the active material layer, and (b) annealing the collected active material with an addition of a lithium precursor to obtain a reusable active material.

The invention relates to a pharmaceutically acceptable acid addition salt of: (i) S-oxprenolol; and (ii) phosphoric acid. Medical uses of the salt and compositions comprising the salt are also described.