Abstract: Disclosed is translucent or transparent paper suitable for laminate and packaging applications, and more particularly a translucent paper having improved transparency by a coating process. The transparent or translucent paper serves as a recyclable, repulpable and renewable alternative to plastic wrappers and laminates.

Abstract: The invention provides an analysis plate (10) including at least one analysis zone for receiving a sample to be analyzed by mass spectrometry using the MALDI-TOF technique, the plate being of the type having at least one test face (12) with at least one analysis zone defined thereon and of the type in which the plate includes a support (18) that is plane, the plate being characterized in that the support (18) comprises at least one sheet (20) of paper material comprising cellulose fibers, and in that the analysis plate (10) includes at least one ply (24) of metal material.

Abstract: A device for the culturing and/or isolation and/or detection and/or identification and/or counting of at least one target microorganism in a sample liable to contain it, which includes a support and a nutrient medium; the support including: a hydrophilic fibrous substrate, at least one porous layer in contact with one of the faces of the fibrous substrate, including a pigment or a mixture of pigments and at least one binder, the pigment having a size of less than 5 ?m and the amount of the pigment or the mixture of pigments being between 50 and 97% by dry weight, with respect to the dry weight of the porous layer; the nutrient medium being included in the fibrous substrate. Also relates to the use and to the process for the manufacture of the device.

Abstract: A device for the culturing and/or isolation and/or detection and/or identification and/or counting of at least one target microorganism in a sample liable to contain it, which includes a support and a nutrient medium; the support including: a hydrophilic fibrous substrate, at least one porous layer in contact with one of the faces of the fibrous substrate, including a pigment or a mixture of pigments and at least one binder, the pigment having a size of less than 5 ?m and the amount of the pigment or the mixture of pigments being between 50 and 97% by dry weight, with respect to the dry weight of the porous layer; the nutrient medium being included in the fibrous substrate. Also relates to the use and to the process for the manufacture of the device.

Abstract: Fine paper for writing, packaging and/or printing, in particular offset printing, comprising a fibrous layer having a bulk greater than or equal to 1.10 cm3/g and at least one coating, said coating having a dry deposition on one or each face of the fibrous layer that is between 3 and 10 g/m2 and comprising at least one mineral pigment, at least one latex acting as a binder, and at least one aqueous polyurethane dispersion at a rate of 0.5 to 8% dry weight with respect to the dry weight of pigment(s) of the coating, such that the coated paper has a similar texture to that of the fibrous layer.

Abstract: Fine matt writing and/or printing paper, in particular for offset printing, including on at least one of its faces a coating that comprises pigments and a binder, the pigments comprising silica with particles having a mean diameter greater than or equal to 3 ?m, and with the quantity that is deposited per unit area of the coating being greater than 0.4 g/m2 and less than 1.5 g/m2 or in which the quantity of silica is alternatively or in combination greater than 6% and less than 15%, and in particular less than 10% by dry weight relative to the total dry weight of the coating, the paper having on said face a degree of gloss before printing that is less than 3.5% as measured at 75° using the Tappi®T480 standard.

Abstract: Examples consistent with the invention include a reusable device for writing, displaying and deleting information with an electronic device on a support device having bistable liquid crystals. The reusable device includes a substrate onto which are successively applied and from the substrate: an electricity conducting coating; an optical coating that can absorb all or part of the surrounding light; a coating of a transparent substance in which a plurality of bistable liquid crystals are emulsioned; at least one electricity conducting element being electrically connected to the electricity conducting coating via an electrical voltage generator to form an electric circuit.

Abstract: A rigid or flexible substrate (1) is comprised of one or several successive thin material layers (2, 9). The first thin material layer (9) is coated onto the substrate (1) and the other layers (2) are applied successively onto the first layer (9). Each thin layer has discontinuous prominent parts arranged in relief on the substrate (1). The thin layer (2, 9) can be electricity conducting. The finished product may be used for display screens or electronic circuits.

Abstract: A rigid or flexible substrate (1) is comprised of one or several successive thin material layers (2, 9). The first thin material layer (9) is coated onto the substrate (1) and the other layers (2) are applied successively onto the first layer (9). Each thin layer has discontinuous prominent parts arranged in relief on the substrate (1). The thin layer (2, 9) can be electricity conducting. The finished product may be used for display screens or electronic circuits.

Abstract: A method of coating a support with a liquid composition having an aqueous or an organic solvent and a surfactant eliminates defects in the coated layer. Temperature gradients between successive zones of the coating layer are eliminated by the application of coating having a preselected surfactant.

Abstract: A method of coating a support with a liquid composition having an aqueous or an organic solvent and a surfactant eliminates defects in the coated layer. Temperature gradients between successive zones of the coating layer are eliminated by the application of coating having a preselected surfactant.

Abstract: The invention relates to the measurement of the dynamic surface tension of a liquid, particularly a liquid forming a curtain. The measuring device includes introducing, into the curtain, an obstacle adapted to create a standing wave defining two inverted Vs. A light source illuminates the standing wave and a camera forms an image of at least part of the standing wave. The light source or obstacle is adjusted such that the two inverted Vs are substantially identical, and the surface tension is determined.

Abstract: The invention concerns a process for coating a photographic support.The process consists of depositing on a support a succession of at least two layers, at least one of which consists of a photosensitive composition, the top layer, situated at the opposite side to the support, containing a given concentration of at least one surfactant, the process being characterized in that a surfactant present in the top layer is introduced into the layer adjacent to the top layer at a concentration equal to at least 25% of the concentration of the same surfactant in the said top layer.

Abstract: The invention concerns a method for improving the uniformity of a liquid curtain which includes the specification of, prior to the coating of the composition under the coating conditions, forming a curtain with flow rate and viscosity conditions (1, 2) which are such that the rear face of the lip is wet over a height greater than the height over which the composition would naturally wet the rear face under the coating conditions. Then, maintaining these flow rate and viscosity conditions over a given period of time.

Abstract: The invention concerns an apparatus for improving the uniformity of a liquid curtain in a curtain coating system. The apparatus comprises means for, prior to the coating of the medium, forcing the liquid composition which flows on the forward face of the lip to wet the rear face of the lip of the coating device over a predetermined distance greater than the distance over which the liquid composition would naturally wet the rear face.

Abstract: The present invention relates to a device for coating a moving support by means of a curtain. According to the present invention, the lip of the coating device has a front surface 10 which is substantially vertical or positive, a positive rear surface 11 defining, with respect to the front surface 10, an angle of less than 90.degree. and a chamfer 12 between the lower ends of the said front and rear surfaces, the said device being characterised in that the ratio between the thickness of the coating composition at the level of the front surface 10 of the lip and the width of the chamfer 12 is at least one.