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 device for absorbing, signaling and picking up a product on a floor, the device including: a slender hollow body whose inner walls define a storage volume in which is stored a powder able to absorb the product, where the storage volume opens through an opening for pouring the powder by gravity; a stand on which one end of the body is mounted for forming a signaling marker, where the stand includes a substantially flat base projecting radially relative to the body in order to place the device stably on the floor; and wherein the base includes at least two detachable parts which can be used for picking up a residue formed by the powder and the product.

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: 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 device for absorbing, signaling and picking up a product on a floor, the device including: a slender hollow body whose inner walls define a storage volume in which is stored a powder able to absorb the product, where the storage volume opens through an opening for pouring the powder by gravity; a stand on which one end of the body is mounted for forming a signaling marker, where the stand includes a substantially flat base projecting radially relative to the body in order to place the device stably on the floor; and wherein the base includes at least two detachable parts which can be used for picking up a residue formed by the powder and the product.

Abstract: Disclosed is a device for absorbing and marking a potentially dangerous substance on the ground, the device including: an elongate hollow body, the inner walls of which define a storage space in which a powder is stored which is capable of absorbing the substance when the powder comes into contact with the substance, the storage space leading into an opening for pouring the powder onto the substance in order to neutralize the substance, a base on which the lower end of the body is directly or indirectly mounted, the base projecting laterally relative to the body so as to form a marker in order to position the device on the ground in a stable manner and to mark the presence of the absorbed substance on the ground.

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: Disclosed is a film based on a composition including at least one polymer and at least one plasticizer, the composition having a calculated Tg ranging from ?35° C. to 40° C., preferably from ?20° C. to 10° C., the film presenting a rebound resilience according to Test A less than 15%, preferably less than 10%; to a process for its manufacturing and to its uses; it also relates to an element incorporating the film and uses thereof.

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: Disclosed is a device for absorbing and marking a potentially dangerous substance on the ground, the device including: an elongate hollow body, the inner walls of which define a storage space in which a powder is stored which is capable of absorbing the substance when the powder comes into contact with the substance, the storage space leading into an opening for pouring the powder onto the substance in order to neutralize the substance, a base on which the lower end of the body is directly or indirectly mounted, the base projecting laterally relative to the body so as to form a marker in order to position the device on the ground in a stable manner and to mark the presence of the absorbed substance on the ground.

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.