Abstract: A method, device and a system for verifying a communication session are provided. The method comprises: establishing another session with a user-side device at a network device or at another network device associated with the network device before providing proprietary information of a user in a communication session established between the user-side device and the network device; in the another session, sending private identification information of the user to the user-side device; wherein, the verification can be based on a determination by the user on the consistence between the received private identification information and private identification information previously set by the user.

Abstract: A continuous process for obtaining acrolein by catalytic dehydration of glycerol or glycerin, in the presence of an acid catalyst, wherein said process comprises the concomitant regeneration of said catalyst and is carried out in a fluidized bed reactor, said reactor comprising two zones, a first zone, or lower zone, termed catalyst regeneration zone, in which a fluidization gas comprising oxygen is introduced, and a second zone, or upper zone, termed reaction zone, in which the glycerol or glycerin is introduced and converted into acrolein.

Abstract: The invention relates to a method for preparing 2-hydroxybutyrolactone (2HBL) from a compound or its salt or its oligomers, said compound fitting formula (I) CH3—S—CH2CH2CR1R2R3 Wherein R1 represents H R2 represents a group selected from OH; OR4 and OCOR4 wherein R4 represents a group selected from linear, cyclic, alicyclic or branches alkyl groups having from 1 to 10 carbon atoms, and aryl groups having from 6 to 10 carbon atoms, optionally substituted with substituent(s) selected from linear or branched alkyl groups having from 1 to 10 carbon atoms, halogens and hydroxyl, amino, nitro and alkoxy groups having from 1 to 10 carbon atoms; and OSiRR?R? wherein R, R? and R? are selected independently of each other from linear, cyclic, alicyclic or branched alkyl groups having from 1 to 10 carbon atoms, aryl groups having from 6 to 10 carbon atoms, optionally substituted with substituent(s) selected from linear or branched alkyl groups having from 1 to 10 carbon atoms, or R1 and R2 represent together ?O, R3

Abstract: The invention concerns a method for preparing acrolein from glycerol or glycerine, wherein dehydration of the glycerol or glycerine is achieved in the presence of a catalyst based on zirconium oxide and which active phase consists in at least a) a silicon oxide, a zirconium oxide and at least one metal M oxide, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, vanadium and titanium, b) a titanium oxide, a zirconium oxide and at least one metal M oxide, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, vanadium and silicon. This method can be used for making 3-(methylthio)propionic aldehyde MMP, 2-hydroxy-4-,methylthiobutyronitrile HMTBN, methionine and its analogs.

Abstract: The invention relates to a method for preparing an amino acid, or its salts, from 2-aminobutyrolactone (2ABL), said amino acid fitting the formula I, XCH2CH2CHNH2COOH, wherein X is such that X? represents a nucleophilic ion, according to which N-carboxylation of 2-aminobutyrolactone (2ABL) is achieved with carbon dioxide, and the thereby obtained 2ABL carbamate is reactive with an XH reagent or its salts.

Abstract: The invention relates to a method for preparing acrolein from glycerol or glycerin, according to which dehydration of glycerol or glycerin is carried out in the presence of a catalyst which consists in at least one silica modified with zirconium dioxide, titanium dioxide or tungsten trioxide or any combination of these oxides, and a heteropolyacid. This method may be used for making 3-(methylthio)propionic aldehyde (MMP), 2-hydroxy-4-methylthiobutyronitrile (HMBTN), methionine or its analogs, from acrolein.

Abstract: The present invention relates to the RumC1, RumC2 and RumC3 peptides with antimicrobial activity, and also to the genes encoding these peptides and isolated from Ruminococcus gnavus E1.

Abstract: The invention relates to the abfB-2 gene of Penicillium funiculosum that codes for a type B ?-L-arabinofuranosidase and has a cellulose binding domain. The enzyme ?-L-arabinofuranosidase can be incorporated in nutritional additives or in foods for animals for which it improves the digestibility and thus the nutritional value.

Abstract: The invention relates to a method for preparing acrolein from glycerol or glycerine, comprising dehydrating glycerol or glycerine in the presence of a catalyst consisting of at least a) a mixed oxide of zirconium and at least one metal, said metal being selected from niobium, tantalum and vanadium, b) a zirconium oxide and at least one metal oxide, the metal being selected from niobium, tantalum and vanadium, c) a silicon oxide and a mixed oxide of zirconium and at least one metal, the metal being selected from tungsten, cerium, manganese, niobium, tantalum, titanium, vanadium and silicon, d) a silicon oxide and a mixed oxide of zirconium and at least one metal, the metal being selected from tungsten, cerium, manganese, niobium, tantalum, vanadium and titanium, e) a titanium oxide and a mixed oxide of zirconium and at least one metal, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, titanium, vanadium and silicon, f) a titanium oxide and a mixed oxide or zirconium and at least on

Abstract: The invention relates to the abfB-2 gene of Penicillium funiculosum that codes for a type B ?-L-arabinofuranosidase and has a cellulose binding domain. The enzyme ?-L-arabinofuranosidase can be incorporated in nutritional additives or in foods for animals for which it improves the digestibility and thus the nutritional value.

Abstract: The invention relates to the abfB-2 gene of Penicillium funiculosum that codes for a type B ?-L-arabinofuranosidase and has a cellulose binding domain. This enzyme ?-L-arabinofuranosidase can be incorporated in nutritional additives or in foods for animals for which it improves the digestibility and thus the nutritional value.

Abstract: Polypeptides comprising a polypeptide chosen from the group consisting of the polypeptide of SEQ ID No. 2 and a polypeptide exhibiting at least 90% identity with the polypeptide of SEQ ID No. 2. Polynucleotides selected from the group consisting of the polynucleotide whose sequence is between position 1538 and position 2923 of SEQ ID No. 1, and a polynucleotide encoding the polypeptide chosen from the group consisting of the polypeptide of SEQ ID No. 2 and a polypeptide exhibiting at least 90% identity with the polypeptide of SEQ ID No. 2. Furthermore, vectors and expression cassettes comprising the polynucleotide.

Abstract: The invention relates to the abfB-1 gene of Penicillium funiculosum that codes for a type B ?-L-arabinofuranosidase. This enzyme ?-L-arabinofuranosidase can be incorporated in nutritional additives or in foods for animals for which it improves the digestibility and thus the nutritional value.

Abstract: The invention concerns compositions and methods combining at least two phytases for hydrolyzing phytic acid (myo-inositol hexakis phosphate) into inorganic monophosphates, into myo-inositols with lower degree of phosphorylation and into free myo-inositol. Said compositions and methods are of particular interest for animal feeding.

Abstract: The invention concerns a gene coding for a Debaryomyces castellii phytase which hydrolyzes the six phosphate bonds of phytate. The invention also concerns the uses of said phytase in nutritional additives or foods for animals for improving their digestibility and nutritional value.

Abstract: The invention relates to the abfB-2 gene of Penicillium funiculosum that codes for a type B ?-L-arabinofuranosidase and has a cellulose binding domain. This enzyme ?-L-arabinofuranosidase can be incorporated in nutritional additives or in foods for animals for which it improves the digestibility and thus the nutritional value.

Abstract: The invention concerns novel bacterial phytases, and their respective production methods. More particularly, the invention concerns novel phytases derived from bacteria of genus Acidocella, and polynucleotides coding for said phytases. The invention also concerns vectors containing said polynucleotides, and transformed host organisms expressing said phytases in their tissues. The invention further concerns novel bacterial extracts comprising at least a phytase activity.

Abstract: The invention concerns novel bacterial phytases, and their respective production methods. More particularly, the invention concerns novel phytases derived from bacteria of genus Acidocella, and polynucleotides coding for said phytases. The invention also concerns vectors containing said polynucleotides, and transformed host organisms expressing said phytases in their tissues. The invention further concerns novel bacterial extracts comprising at least a phytase activity.

Abstract: The invention relates to the abfB-1 gene of Penicillium funiculosum that codes for a type B ?-L-arabinofuranosidase. This enzyme ?-L-arabinofuranosidase can be incorporated in nutritional additives or in foods for animals for which it improves the digestibility and thus the nutritional value.

Abstract: The present invention relates to novel phytases, in particular, of fungal origin, and also to their respective methods of production. The present invention relates more particularly to novel phytases derived from fungi of the Penicillium genus, in particular of the Penicillium sp. CBS 109899 strain, and also to the polynucleotides encoding these phytases. The invention also relates to vectors containing the polynucleotides, and to transformed host organisms expressing the phytases.