Abstract: A mixed metal compound for pharmaceutical use is free from aluminium and has a phosphate binding capacity of at least 30%, by weight of the total weight of phosphate present, over a pH range of from 2-8. The compound is especially useful for treatment of hyperphosphataemia. The metals are preferably iron (III) and at least one of calcium, magnesium, lanthanum and cerium. A metal sulphate for pharmaceutical use is selected from at least one of calcium, lanthanum and cerium sulphate compounds and has a phosphate binding capacity of at least 30% by weight of the total phosphate present, over a pH range from 2-8.

Abstract: Silica particles for incorporation into a dentifrice composition, preferably as a thickening agent, have a polyether glycol such as polyethylene glycol applied thereto in order to enhance dentifrice cohesion

Abstract: A modified aluminosilicate in powder form comprising alkali metal silicate deposited onto aluminosilicate of the zeolite P type particles presents increased Liquid Carrying Capacity.

Abstract: An amorphous silica having an RDA value of between 40 and 70, an oil absorption capacity of between 90 and 145 cc/100 g and a moisture loss of less than 7% w/w, can be incorporated at a 10% to 25% loading into a transparent toothpaste having a refractive index of below 1.445, this toothpaste having an RDA value of less than 60.

Abstract: Wax coated silica matting agent wherein the silica is an amorphous silica having a pore volume of at least 1.5 cm.sup.3 /g, preferably at least 1.8 cm.sup.3 /g. The wax coating is present in the range from 6% to 15% by weight of the matting agent and comprises a synthetic polyethylene wax.

Abstract: Soluble alkali metal silicates combined with antiredeposition agents can actually have a beneficial effect on bleach stabilisation if said antiredeposition agents are intimately mixed with an alkali metal silicate solution, the resulting product being then dried (spray drying, turbo drying, etc . . . ) into granules.

Abstract: An amorphous silica having an RDA value of between 30 and 70, an oil absorption capacity of between 100 and 155 cc/100 g and a moisture loss of less than 7% w/w, can be incorporated at a 10% to 25% loading into a transparent toothpaste having a refractive index of above 1.445, this toothpaste having an RDA value of between 30 and 60.

Abstract: Process for manufacturing an alkali metal aluminosilicate of zeolite P type wherein a sodium silicate solution and a sodium aluminate solution are continuously added together in a first reacting zone in the presence of zeolite P seeds, to produce a first mixture said mixture being continuously transferred from this first reacting zone to a second reacting zone, the resulting product being eventually filtered, washed and dried.

Abstract: Granular composition comprising 45 to 98% w/w of a water insoluble particulate, whereby 10 to 75% of the water insoluble particulate is made from a water insoluble particulate material, having a weight mean particle size of less than 20 microns and oil absorption capacity of 60 to 180 g/100 g and 10 to 75% of the water insoluble particulate is made from a water insoluble particulate material, having a weight mean particle size of below 20 microns and an oil absorption 200 to 350 g/100 g, the granular composition having a particle size, by sieve analysis, of 95% below 600 microns and 90% above 40 microns.

Abstract: A cobalt on transition alumina catalyst, containing between 3 and 40% by weight of cobalt has a cobalt surface area above 30 m.sup.2 /.sub.g of cobalt, preferably above 50 m.sup.2 /.sub.g of cobalt, most preferably above 80 m.sup.2 /.sub.g of cobalt.

Abstract: A thickening system containing an amorphous silica and xanthan gum in a silica/xanthan gum weight ratio from 160:1 to 2:1, preferably 100:1 to 5:1, most preferably 30:1 to 6.5:1 can be used to stabilise and thicken cosmetic compositions containing alpha-hydroxy carboxylic acids.

Abstract: Effluents containing residual dyes are contacted with an effective amount of hydrotalcite-like material together with an effective amount of a magnesium salt or a mixture of magnesium salts, the weight ratio (on dry basis) of hydrotalcite-like material to magnesium salt being in the range of 20:1 to 1:20. Residual dyes are removed from effluents.

Abstract: An amorphous silica has a pore size distribution wherein 90% of the pores have a diameter above 15 nanometers, and less than 20% of the pore volume is in pores having a pore diameter between 10 and 20 nanometers, the amorphous silica having a CTAB surface area of less than 100 m.sup.2 /g, the amorphous silica having a matting efficiency of below 20 gloss units at an incidence angle of 60.degree. and a loading of 5% by weight. It can be prepared by a precipitation route. It is used in thixotropic paints and lacquers.

Abstract: Amorphous silicas suitable for use as abrasives in transparent toothpastes can be prepared by a precipitation route. These silicas are distinguished by having a BET surface area of 10 to 90 M.sup.2 /g, a weight mean particle size of 5 to 15 micron, and a plastics abrasion value of 16 to 20, a transmission of at least 70% in the RI range from 1,430 to 1,443 and an oil absorbtion in the range from about 70 to about 150 cm.sup.3 /100 g.

Abstract: Process for manufacturing an alkali metal aluminosilicate of zeolite P type, wherein sodium silicate solution, sodium aluminate solution and sodium hydroxide are mixed together in a first reacting zone, the mixture reacting to form amorphous aluminosilicate and supersaturated mother liquor and being then transferred from this first reacting zone to a second reacting zone, the transferred mixure having a degree of crystallinity below 30%, preferably 20%, the mixture being afterwards allowed to fully convert into P type zeolite, the resulting product being eventually filtered, washed and dried.