Abstract: Highly-deformable sealing strips integrating with fabric assemblies (principally of airbags) are detailed. The strips reduce gas leakage from occurring. They also function as mechanical reinforcements of the assemblies.

Abstract: Cosmetic and therapeutic, in particular dermatological bioprecursors have the formula [A]n—PP—[B]m wherein PP is a polyphenol radical in which each hydroxyl function is protected by a group A or a group B, A is a saturated or unsaturated, substituted or unsubstituted alkyl radical having 1 to 20 carbon atoms which is bonded to the polyphenol, n is an integer not less than 1, and B is a precursor of a biologically active molecule, which is also bonded to the polyphenol, and m is an integer also not less than 1.

Abstract: The invention relates to a method for producing optionally substituted methylenedioxybenzene. The invention particularly relates to the production of methylenedioxybenzene. The inventive production method is characterized by the fact that it involves the reaction of an optionally substituted catechol with an aldehyde in the presence of a solid acid catalyst selected among: a titanium silicalite and a zeolite that is doped with tin and/or titanium.

Abstract: The invention concerns a method for functionalizing a phenolic compound bearing an electron-donor group, in said group para position, inter alia a method for the amidoalkylation of a phenolic compound bearing an electron-donor group, and more particularly, a phenolic compound bearing an electron-donor group preferably, in the hydroxyl group ortho position. The method for functionalizing in para position with respect to an electron-donor group carried by a phenolic compound is characterised in that the phenolic compound bearing an electron-donor group is subjected to the following steps: a first step which consists of protecting the hydroxyl group in the form of a sulphonic ester function; a second step which consists in reacting the protected phenolic compound with an electrophilic reagent; optionally, a third step deprotecting the hydroxyl group.

Abstract: The de-icing device is intended for the vane (10) of the inlet guide wheel (4) of a turbojet (2), comprising a fixed part (12) arranged on the upstream side and a mobile flap (18) arranged on the downstream side, in which said fixed part (12) comprises a trailing edge (16) substantially in the shape of a “U”, with one of the branches (162) being located on the intrados side (I) and the other branch (164) being located on the extrados side (E). It comprises at least one emission window (202), oriented substantially along an upstream-downstream direction, and arranged along the branch (162) of the “U” located on the intrados side (I) of the trailing edge (16). The inlet guide wheel (4) vane (10) is equipped with at least such a de-icing device. The aircraft engine (2) comprises at least one vane (10) equipped with such a de-icing device.

Abstract: The invention concerns quaternary ammonium compounds whereof the nitrogen bears a fluorine atom. Said ammonium compounds have an asymmetric carbon atom which is spaced from the ammonium function by not more than five members. The invention is useful for enantioselective electrophilic fluorination of various substrates.

Abstract: The invention concerns a method for preparing polyorganosiloxanes (POS) by (a) condensation polymerisation of monosilanes and/or acyclic siloxanes bearing reactive Si—OR units with R═H, or alkyl, or by (b) redistribution/condensation polymerisation of siloxane compounds based on cyclosiloxanes and/or acyclic siloxanes capable of bearing reactive Si—OR units such as defined above, Si—H or Si-alkenyl units, in the presence of an acid catalyst.

Abstract: A water borne binder composition comprising (a) an aqueous dispersion of an acrylic copolymer comprising carboxylic acid and ethylene-urea functionality, having a weight average molecular weight below 200,000 and a Tg<−15° C., as calculated from the monomer composition using the Fox equation; and (b) a water soluble complex of a transition metal, preferably zinc.

Abstract: The invention concerns a method for preparing polyorganosiloxanes (POS) by (a) condensation polymerisation of monosilanes and/or acyclic siloxanes bearing reactive Si—OR units with R=H, or alkyl, or by (b) redistribution/condensation polymerisation of siloxane compounds based on cyclosiloxanes and/or acyclic siloxanes capable of bearing reactive Si—OR units such as defined above, Si—H or Si-alkenyl units, in the presence of an acid catalyst.

Abstract: The invention concerns a halogenation in position meta of a phenol fuction. Said halogenation comprises a step which consists in halogenating an aromatic derivative of a medium or advantageously strong acid, the aromatic radical being a phenyl substituted in ortho and in para by functions attracting electrons by inductive effect. The invention is applicable to organic synthesis.

Abstract: A compound of formula (I): or a salt thereof, or a solvate thereof, wherein Ar represents substituted or unsubstituted aryl, wherein the optional substituents are selected from alkyl, hydroxy or alkoxy or, if attached to adjacent carbon atoms any two substituents together with the carbon atoms to which they are attached may form a fused heterocyclic ring of five to six atoms wherein one, two or three of the said atoms are oxygen or nitrogen; A represents a C1-4 n-alkylene group wherein each carbon is optionally substituted by 1 or 2 C1-6 alkyl groups; R1 represents hydrogen, alkyl, alkenyl or cycloalkyl; one or two of of the group of R2, R3 and R4 represents nitro the remaining members of the group of R2, R3 and R4 represent hydrogen; X represents a —CO—NH— moiety; and Z represents C2-4 n-alkylene group wherein each carbon is optionally substituted 1 or 2 C1-6 alkyl groups; a process for preparing such compounds, pharmaceutical compositions comprising such compounds and the use of such compo

Abstract: The invention concerns a method for functionalizing a phenolic compound bearing an electron-donor group, in said group para position, inter alia a method for the amidoalkylation of a phenolic compound bearing an electron-donor group, and more particularly, a phenolic compound bearing an electron-donor group preferably, in the hydroxyl group ortho position. The method for functionalizing in para position with respect to an electron-donor group carried by a phenolic compound is characterised in that the phenolic compound bearing an electron-donor group is subjected to the following steps: a first step which consists of protecting the hydroxyl group in the form of a sulphonic ester function; a second step which consists in reacting the protected phenolic compound with an electrophilic reagent; optionally, a third step deprotecting the hydroxyl group.

Abstract: An interactive digital television network includes broadcaster site (1) connected by a broadcasting channel (16, 10, 34) to at least one customer station (4). The broadcaster site (1) chiefly comprises a center for agencies (4) which mobilize resources (5) for implementing projects (6) with the aid of target profiles (7) destined for a generator or transcoder (11) which interprets the programs of an interactive digital television application in a multi-platform low-level language. The customer stations essentially comprise a reader (26) of the programs which execute each program with the aid of a digital television platform (29), the program executed having been transcoded as a function of the target platform.

Abstract: A compound of formula (I): or a salt thereof, or a solvate thereof, wherein Ar represents substituted or unsubstituted aryl, wherein the optional substituents are selected from alkyl, hydroxy or alkoxy or, if attached to adjacent carbon atoms any two substituents together with the carbon atoms to which they are attached may form a fused heterocyclic ring of five to six atoms wherein one, two or three of the said atoms are oxygen or nitrogen; A represents a C1-4 n-alkylene group wherein each carbon is optionally substituted by 1 or 2 C1-6 alkyl groups; R1 represents hydrogen, alkyl, alkenyl or cycloalkyl; one or two of of the group of R2, R3 and R4 represents nitro the remaining members of the group of R2, R3 and R4 represent hydrogen; X represents a —CO—NH— moiety; and Z represents C2-4 n-alkylene group wherein each carbon is optionally substituted 1 or 2 C1-6 alkyl groups; a process for preparing such compounds, pharmaceutical compositions comprising such compounds and the use of such compo

Abstract: The present invention relates to a process and a reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the sulphur atom of the sulphanilide function. This persulphonylation process is characterized in that it comprises a step of placing a nucleophile, whose nucleophilic atom is a nitrogen, in contact with a reagent comprising, for successive or simultaneous addition, a heavy halide of sulphonyl, advantageously sulphonyl chloride, and an organic base comprising a trivalent atom from column V whose lone pair is conjugated directly or indirectly to a bond, and in that the organic part of the said sulphonyl is perhalogenated, advantageously perfluorinated, on the carbon borne by the sulphur. Application to the synthesis of intermediates for organic chemistry.

Abstract: The invention concerns a method for orthometalation of a carbocyclic aromatic derivative bearing at least an electron donor group, characterised in that it consists in reacting said carbocyclic aromatic derivative with an efficient amount of at least one alkaline metal in the presence of a compound of formula (I): RX, wherein: R represents a hydrocarbon radical having 1 to 20 carbon atoms which can be a saturated or unsaturated, linear or branched, acyclic aliphatic radical; a saturated or unsaturated, monocyclic or polycyclic cycloaliphatic radical; a saturated or unsaturated, linear or branched aliphatic radical bearing a cyclic substituent; and X represents a bromine or chlorine atom.

Abstract: A water borne binder composition comprising (a) an aqueous dispersion of an acrylic copolymer comprising carboxylic acid and ethylene-urea functionality, having a weight average molecular weight below 200,000 and a Tg<−15° C., as calculated from the monomer composition using the Fox equation; and (b) a water soluble complex of a transition metal, preferably zinc.

Abstract: The present invention relates to a process for the acylation or sulphonylation of an aromatic compound. More particularly, the invention relates to a process for the acylation or sulphonylation of an activated or deactivated aromatic compound. The invention is applied to the preparation of aromatic ketones or sulphones. The process for the acylation or sulphonylation of an aromatic compound which consists in reacting at least one aromatic compound with an acylating or sulphonylating agent, in the presence of a Friedel-Crafts catalyst is characterized in that the acylation or sulphonylation reaction is carried out in liquid phase under microwave irradiation.

Abstract: The invention concerns a method for transforming an aminophenol, characterized in that it consists in a step whereby said aminophenol aniline function is in the form of an anilide function and said phenol is dissolved in a hydophobic and weakly polar solvent in the presence of water, an alkaline hydroxide, a phase transfer catalyst and a halide or an alkyl pseudo-halide. The invention is applicable to organic synthesis.

Abstract: A compound of formula (I): or a salt thereof, or a solvate thereof, wherein Ar represents substituted or unsubstituted aryl, wherein the optional substituents are selected from alkyl, hydroxy or alkoxy or, if attached to adjacent carbon atoms any two substituents together with the carbon atoms to which they are attached may form a fused heterocyclic ring of five to six atoms wherein one, two or three of the said atoms are oxygen or nitrogen; A represents a C1-4 n-alkylene group wherein each carbon is optionally substituted by 1 or 2 C1-6 alkyl groups; R1 represents hydrogen, alkyl, alkenyl or cycloalkyl; one or two of of the group of R2, R3 and R4 represents nitro the remaining members of the group of R2, R3 and R4 represent hydrogen; X represents a —CO—NH— moiety; and Z represents C2-4 n-alkylene group wherein each carbon is optionally substituted 1 or 2 C1-6 alkyl groups; a process for preparing such compounds, pharmaceutical compositions comprising such compounds and the use of such compo