Abstract: The use of a composition including at least one acido-basic neutralising agent for decontaminating an atmosphere contaminated by a corrosive gas, the acido-basic neutralising agent having at least 2 pKa's and being characterised by: pKa 1?pKa 2, pKa 1>2, pKa 2<12, 4<½ (pKa 1+pKa 2)<10 pKa 1, representing the smallest of the basic pKa's and pKa 2 representing the largest of the acidic pKa's. Also, a method for decontaminating an atmosphere contaminated by a corrosive gas comprising the spraying of the neutralising agent, and to a decontamination device.

Abstract: The use of a composition including at least one acido-basic neutralising agent for decontaminating an atmosphere contaminated by a corrosive gas, the acido-basic neutralising agent having at least 2 pKa's and being characterised by: pKa 1?pKa 2, pKa 1>2, pKa 2<12, 4<½ (pKa 1+pKa 2)<10 pKa 1, representing the smallest of the basic pKa's and pKa 2 representing the largest of the acidic pKa's. Also, a method for decontaminating an atmosphere contaminated by a corrosive gas comprising the spraying of the neutralising agent, and to a decontamination device.

Abstract: The use of a composition including at least one acido-basic neutralising agent for decontaminating an atmosphere contaminated by a corrosive gas, the acido-basic neutralising agent having at least 2 pKa's and being characterised by: pKa 1?pKa 2, pKa 1>2, pKa 2<12, 4<½ (pKa 1+pKa 2)<10 pKa 1, representing the smallest of the basic pKa's and pKa 2 representing the largest of the acidic pKa's. Also, a method for decontaminating an atmosphere contaminated by a corrosive gas comprising the spraying of the neutralising agent, and to a decontamination device.

Abstract: Disclosed is a liquid mixture (preferably an oil-in-water emulsion) for cleaning spilled paint, varnish, dye and/or surface coating, and a cleaning method comprising a step of applying said mixture to a fresh stain left by paint, varnish, surface coating and/or dye.

Abstract: A decontamination composition with at least one primary neutralizing agent and at least one secondary neutralizing agent, for the removal of chemical residues, to a method for employing the composition, and the use of the composition for removing residues on materials, machines, and equipment soiled with chemicals of any type, such as a corrosive product or a chemical containing fluoride ions.

Abstract: A method of preventing contact allergies includes using at least one amphoteric chelating agent which includes a complex based on aluminium and on ethylenediaminetetraacetic acid or the trisodium salt thereof, having the general formula [Al(Y)Bn]c?Dc with B being OH?, BO2? or H+, Y being a tetracarboxylate which can be protonated four times to form ethylenediaminetetraacetic acid, n being an integer equal to 0, 1, 2 or 3, D being a counterion, preferably Na+, c being an integer equal to 0, 1, 2 or 3 and c? being a relative number having the same absolute value as c. A device, a part of which includes the amphoteric chelating agent, is also described.

Abstract: The use of an emulsion for protecting the skin against aggressive chemical agents, wherein this emulsion includes at least one amphoteric chelating agent which includes a complex based on aluminium and on ethylenediaminetetraacetic acid or the trisodium salt thereof, having the general formula [Al(Y)Bn]C?Dc with B being OH?, BO2? or H+, Y being a tetracarboxylate which can be protonated four times to form ethylenediaminetetraacetic acid, n being an integer equal to 0, 1, 2 or 3, D being a counterion, preferably Na+, c being an integer equal to 0, 1, 2 or 3 and c? being a relative number having the same absolute value as c.

Abstract: The invention relates to a solid composition which comprises at least one amorphous silica gel, at least one cellulosic agent, at least one binder, and optionally at least one neutralizing agent, and is characterized in that the solid composition has a grain size of 100 ?m to 2 mm.

Abstract: The use of an emulsion for protecting the skin against aggressive chemical agents, wherein this emulsion includes at least one amphoteric chelating agent which includes a complex based on aluminium and on ethylenediaminetetraacetic acid or the trisodium salt thereof, having the general formula [Al(Y)Bn]c?Dc with B being OH?, BO2? or H+, Y being a tetracarboxylate which can be protonated four times to form ethylenediaminetetraacetic acid, n being an integer equal to 0, 1, 2 or 3, D being a counterion, preferably Na+, c being an integer equal to 0, 1, 2 or 3 and c? being a relative number having the same absolute value as c.

Abstract: A composition includes: (a) at least one neutralizing agent; (b) at least one absorbent agent; and (c) at least one texturing mixture in the form of a mixture including silica gel and an amphoteric texturing agent of which the two pKa (pKa1 and pKa2, pKa1 being less than pKa2) fulfill the following conditions: pKa1>2, pKa2<12, and <(pKa1+pKa2)/2<10. The composition is useful for removal of pollution.

Abstract: According to the invention, a wound dressing may be further developed, whereby a wound dressing made from a planar structure with a first main direction of extension and at least one further main direction of extension, whereby the textile planar structure, at least along the main directions of extension comprises extensibility properties which differ by less than 80%, preferably less than 50%.

Abstract: A pollution removal composition includes: (a) at least one silica gel; and (b) at least one wood-derived absorbent agent, characterized in that the silica gel has a grain-size distribution of between 60 and 500 ym and a density of between 150 and 400 kg/m3. A pollution removal method using the composition is also described.

Abstract: A composition includes: (a) at least one neutralizing agent; (b) at least one absorbent agent; and (c) at least one texturing mixture in the form of a mixture including silica gel and an amphoteric texturing agent of which the two pKa (pKa1 and pKa2, pKa1 being less than pKa2) fulfill the following conditions: pKa1>2, pKa2<12, and <(pKa1+pKa2)/2<10. The composition is useful for removal of pollution.

Abstract: A pollution removal composition includes: (a) at least one silica gel; and (b) at least one wood-derived absorbent agent, characterized in that the silica gel has a grain-size distribution of between 60 and 500 ym and a density of between 150 and 400 kg/m 3. A pollution removal method using the composition is also described.

Abstract: A method of preventing contact allergies includes using at least one amphoteric chelating agent which includes a complex based on aluminium and on ethylenediaminetetraacetic acid or the trisodium salt thereof, having the general formula [Al(Y)Bn]c?Dc with B being OH?, BO2? or H+, Y being a tetracarboxylate which can be protonated four times to form ethylenediaminetetraacetic acid, n being an integer equal to 0, 1, 2 or 3, D being a counterion, preferably Na+, c being an integer equal to 0, 1, 2 or 3 and c? being a relative number having the same absolute value as c. A device, a part of which includes the amphoteric chelating agent, is also described.

Abstract: The use of an emulsion for protecting the skin against aggressive chemical agents, wherein this emulsion includes at least one amphoteric chelating agent which includes a complex based on aluminium and on ethylenediaminetetraacetic acid or the trisodium salt thereof, having the general formula [Al(Y) Bn]c?Dc with B being OH?, BO2? or H+, Y being a tetracarboxylate which can be protonated four times to form ethylenediaminetetraacetic acid, n being an integer equal to 0, 1, 2 or 3, D being a counterion, preferably Na+, c being an integer equal to 0, 1, 2 or 3 and c?being a relative number having the same absolute value as c.

Abstract: Individual portable device (1) for eye bath, comprising a receptacle (5) with narrow neck (4) enclosing a sterile liquid for eye bath and an eye cup (2) provided with a sleeve interlocked on the neck; an elastically deformable and heat-stable seal (6) has an at least L-shaped section and rests on the rim (7) of the neck of the receptacle; the skirt (6a) defining the large leg of the L is clamped between the sleeve of the eye cup and the neck of the receptacle; thus the eye cup (2) is secured to the receptacle (5) in a leaktight manner regardless of the deformations undergone by the neck of the receptacle and the sleeve of the eye cup during heat sterilization treatments.

Abstract: The invention relates to a powder spreader device including a sealed tank (1) with a tapered bottom wall (5), a vessel (2) containing a pressurised spray gas connected to the tank (1) via a feed line (27), control means (20) connected to the vessel (1), and a powder dispensing nozzle (10) connected to the tank, wherein the elongate nozzle (10) includes at least two pressure relief stages (11, 12) for breaking up the dispensed powder jet and forming a uniform and homogenous jet with a relatively low flow rate.

Abstract: The invention relates to a powder spreader device including a sealed tank (1) with a tapered bottom wall (5), a vessel (2) containing a pressurised spray gas connected to the tank (1) via a feed line (27), control means (20) connected to the vessel (1), and a powder dispensing nozzle (10) connected to the tank, wherein the elongate nozzle (10) includes at least two pressure relief stages (11, 12) for breaking up the dispensed powder jet and forming a uniform and homogenous jet with a relatively low flow rate.

Abstract: A high-capacity chemical and/or radiological decontamination system including: a shower unit (1) designed to shower persons individually with a regeneratable active product for a predetermined time ranging between 5 and 20 seconds; a collecting device (14) for collecting the contaminated active product from the shower unit; and a unit (2) for regenerating the contaminated active product so that it can be recycled.