The present invention relates to a crystalline form hydrated with 2-acrylamido-2-methylpropane sulphonic acid having an x-ray diffraction pattern on powder comprising spikes at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04° 2-theta degrees (+/- 0.1°). The present invention further relates to a method for manufacturing this form of 2-acrylamido-2-methylpropane sulphonic acid, as well as to a method for preparing an aqueous solution A of a salt of this form of 2-acrylamido-2-methylpropane sulphonic acid and the (co)polymer of this form of 2-acrylamido-2-methylpropane sulphonic acid.
C07C 309/15 - Acides sulfoniques ayant des groupes sulfo liés à des atomes de carbone acycliques d'un squelette carboné acyclique saturé contenant des atomes d'azote, ne faisant pas partie de groupes nitro ou nitroso, liés au squelette carboné contenant des groupes amino liés au squelette carboné l'atome d'azote d'au moins un des groupes amino faisant partie de l'un des groupes X étant un hétéro-atome, Y étant un atome quelconque
2.
ENHANCED OIL RECOVERY METHOD USING A (CO)POLYMER OF A HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID
An enhanced oil recovery method comprising the following steps: a) Preparing an injection fluid comprising at least one water-soluble (co)polymer prepared at least from 2-acrylamido-2-methylpropane sulfonic acid (ATBS) or at least one of the salts of same, with water or with brine, the 2-acrylamido-2-methylpropane sulfonic acid being a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid having an X-ray powder diffraction pattern with peaks at 2-theta angles 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04°, b) Injecting the injection fluid into an underground formation, c) Flushing the underground formation by means of the injected fluid, d) Recovering an aqueous and hydrocarbon mixture.
C07C 309/15 - Acides sulfoniques ayant des groupes sulfo liés à des atomes de carbone acycliques d'un squelette carboné acyclique saturé contenant des atomes d'azote, ne faisant pas partie de groupes nitro ou nitroso, liés au squelette carboné contenant des groupes amino liés au squelette carboné l'atome d'azote d'au moins un des groupes amino faisant partie de l'un des groupes X étant un hétéro-atome, Y étant un atome quelconque
3.
METHOD FOR TREATING A SUSPENSION OF SOLID PARTICLES IN WATER USING A (CO)POLYMER OF A HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANESULFONIC ACID
The invention relates to a method for treating a suspension of solid particles in water using hydrosoluble (co)polymers prepared from the hydrated crystalline form of 2-acrylamido-2-methylpropanesulfonic acid or at least one of the salts thereof. This method is particularly useful for the treatment of mining residues.
C07C 309/15 - Acides sulfoniques ayant des groupes sulfo liés à des atomes de carbone acycliques d'un squelette carboné acyclique saturé contenant des atomes d'azote, ne faisant pas partie de groupes nitro ou nitroso, liés au squelette carboné contenant des groupes amino liés au squelette carboné l'atome d'azote d'au moins un des groupes amino faisant partie de l'un des groupes X étant un hétéro-atome, Y étant un atome quelconque
4.
FRACTURING FLUID COMPRISING A (CO)POLYMER OF A HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID AND HYDRAULIC FRACTURING METHOD
The present invention relates to a fracturing fluid comprising at least one support agent and at least one hydrosoluble (co)polymer prepared from the hydrated crystalline form of 2-acrylamido-2-methylpropane sulphonic acid and/or from at least one of its salts. The invention further relates to a method for preparing said fluid, as well as to a hydraulic fracturing method using said fluid.
C07C 309/15 - Acides sulfoniques ayant des groupes sulfo liés à des atomes de carbone acycliques d'un squelette carboné acyclique saturé contenant des atomes d'azote, ne faisant pas partie de groupes nitro ou nitroso, liés au squelette carboné contenant des groupes amino liés au squelette carboné l'atome d'azote d'au moins un des groupes amino faisant partie de l'un des groupes X étant un hétéro-atome, Y étant un atome quelconque
The present invention provides methods and compositions for treating clay-bearing aggregates, particularly those used for construction purposes, whereby inclusion of fines is maximized due to minimization of clay washing which tends to remove such fines, and whereby performance of the aggregate-containing construction material is enhanced. Exemplary methods comprise introducing to clay a water-soluble, functionalized polyamine comprising a water-soluble polyamine formed by reacting an amine compound with an epoxy compound, the polyamine thus reacted being functionalized through the use of certain halide, sulfate, or epoxy compounds.
C09K 8/467 - Compositions de cimentation, p. ex. pour la cimentation des tubes dans les trous de forageCompositions de bouchage, p. ex. pour tuer des puits contenant des liants inorganiques, p. ex. ciment Portland contenant des additifs pour des utilisations spécifiques
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
The present invention is concerned with the treatment of produced water, obtained from a chemically enhanced oil recovery process using viscosity-increasing polymeric compounds. Said treatment comprises particularly the steps of obtaining a produced water, from an oil- water mixture recovered from an oil-bearing formation, wherein the produced water comprises the viscosity-increasing polymeric compounds; and, of directing the produced water to a specific filtration device, and subjecting the produced water to filtration, for obtaining a retentate stream and a permeate stream. Said process allows particularly obtaining a permeate comprising the viscosity-increasing polymeric compounds, said permeate being substantially free of suspended solids, free oil and emulsified oil.
The present invention provides methods and compositions for treating clay-bearing aggregates, particularly those used for construction purposes, whereby inclusion of fines is maximized due to minimization of clay washing which tends to remove such fines, and whereby performance of the aggregate-containing construction material is enhanced. Exemplary methods comprise introducing to clay a water-soluble, functionalized polyamine comprising a water-soluble polyamine formed by reacting an amine compound with an epoxy compound, the polyamine thus reacted being functionalized through the use of certain halide, sulfate, or epoxy compounds.
C04B 24/26 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
C09K 8/18 - Compositions contenant de l'argile caractérisées par les composés organiques
C09K 8/467 - Compositions de cimentation, p. ex. pour la cimentation des tubes dans les trous de forageCompositions de bouchage, p. ex. pour tuer des puits contenant des liants inorganiques, p. ex. ciment Portland contenant des additifs pour des utilisations spécifiques
The present invention provides methods and compositions for treating clay-bearing aggregates, particularly those used for construction purposes, whereby inclusion of fines is maximized due to minimization of clay washing which tends to remove such fines, and whereby performance of the aggregate-containing construction material is enhanced. Exemplary methods comprise introducing to clay a water-soluble, functionalized polyamine comprising a water-soluble polyamine formed by reacting an amine compound with an epoxy compound, the polyamine thus reacted being functionalized through the use of certain halide, sulfate, or epoxy compounds.
C04B 24/26 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
The present invention provides methods and compositions for treating clay-bearing aggregates, particularly those used for construction purposes, whereby inclusion of fines is maximized due to minimization of clay washing which tends to remove such fines, and whereby performance of the aggregate-containing construction material is enhanced. Exemplary methods comprise introducing to clay a water-soluble, functionalized polyamine comprising a water-soluble polyamine formed by reacting an amine compound with an epoxy compound, the polyamine thus reacted being functionalized through the use of certain halide, sulfate, or epoxy compounds.
C04B 24/26 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
A composition based on lime comprising at least one mineral agent consisting of slaked lime in the solid phase and of an organic polymer incorporated into said solid phase, a method for its making and the use for its application in the treatment of water and sludge, in particular for conditioning sludge before dewatering.
B01J 20/04 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant des composés des métaux alcalins, des métaux alcalino-terreux ou du magnésium
B01J 20/22 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance organique
11.
COMPOSITION BASED ON CALCIUM HYDROXIDE, METHOD FOR THE PRODUCTION THEREOF AND USE OF SAME FOR TREATING WATER AND MUD
The invention relates to a composition based on calcium hydroxide, comprising at least one mineral agent consisting of calcium hydroxide in a solid phase and an organic polymer integrated into said solid phase. The invention also relates to a method for producing said composition and to the use of same for the treatment of water and mud, especially for the conditioning of mud before dehydration.
C02F 11/14 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques
C08J 3/05 - Production de solutions, dispersions, latex ou gel par d'autres procédés que ceux utilisant les techniques de polymérisation en solution, en émulsion ou en suspension dans un milieux aqueux à partir de polymères solides
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
The invention relates to a composition for conditioning mud, said composition comprising a mineral compound of calcium hydroxide and an organic compound which is a cationic organic coagulant having an average ponderal molecular weight less than or equal to 5 million g/mol and higher than or equal to 20,000 g/mol, said cationic organic coagulant being selected from the group of linear or branched polymers based on diallyldialkyl ammonium salts.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 11/14 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques
C08J 3/05 - Production de solutions, dispersions, latex ou gel par d'autres procédés que ceux utilisant les techniques de polymérisation en solution, en émulsion ou en suspension dans un milieux aqueux à partir de polymères solides
13.
Method for treating mineral sludge above ground using polymers
Provided is a method for treating sludge from the mining or mineral industry, including before above-ground spreading, contacting the sludge with a flocculating agent that is a water-soluble, organic polymer having a molecular weight of from 5,000,000 to 25,000,000 g/mol and an anionicity of from 10 to 40 mol %, to produce contacted sludge, wherein the water-soluble organic polymer includes at least one anionic monomer having a carboxylic function or having a sulfonic acid function, at least one non-ionic monomer, and optionally one or more cationic monomers, where the flocculating agent is branched, and has from 0.02 to 2 mol % hydrophobic monomers.
Process for enhanced oil recovery consisting in introducing into the injection water a solution containing at least one polymer and at least one surfactant, the surfactant/polymer weight ratio being between 1 and 10 and the concentration of surfactant in the solution being greater than 100 ppm (parts per million), characterized in that said polymer contains at least one hydrophobic cationic monomer.
C09K 8/584 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de tensio-actifs spécifiques
C09K 8/588 - Compositions pour les méthodes de récupération assistée pour l'extraction d'hydrocarbures, c.-à-d. pour améliorer la mobilité de l'huile, p. ex. fluides de déplacement caractérisées par l'utilisation de polymères spécifiques
E21B 43/22 - Emploi de produits chimiques ou à activité bactérienne
15.
WATER-SOLUBLE POST-BRANCHED CATIONIC ACRYLAMIDE POLYMERS AND USE THEREOF
The invention relates to a cationic (co)polymer obtained by means of a Hofmann degradation reaction in aqueous solution in the presence of an alkali and/or alkaline-earth hydroxide and an alkali and/or alkaline-earth hypohalide on a base (co)polymer containing at least one nonionic monomer selected from the group comprising acrylamide (and/or methacrylamide), N,N dimethylacrylamide and/or acrylonitrile, characterised in that it is branched after the Hofmann degradation reaction, in the presence of at least one polyfunctional branching agent, and in that it is soluble in water.
C08F 226/02 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par une liaison simple ou double à l'azote ou par un hétérocycle contenant de l'azote par une simple ou une double liaison à l'azote
The invention relates to acrylamide cationic copolymers obtained by a so-called Hofman degradation reaction using an alkaline and/or alkaline-earth hydroxide and an alkaline and/or alkaline-earth hypohalide. The invention also relates to the use of these copolymers essentially as resistance agents for paper and/or coagulation agents. The copolymers are characterised in that they have a desalination coefficient (Cd) higher than 0.6, preferably higher than 0.65, and advantageously higher than 0.7.
The invention relates to stable branched cationic or amphoteric (co)polymers derived from acrylamide, obtained by means of the degradation reaction known as the Hofmann reaction, using an alkaline and/or alkaline earth hydroxide and calcium hypochlorite, and uses of same primarily as flocculating, retaining and/or draining agents.
A fertilizer granule contains, as a binder, at least one organic polymer. The organic polymer is a hydrosoluble polymer that is at least partially cationic.
A01N 25/00 - Biocides, produits repoussant ou attirant les animaux nuisibles, ou régulateurs de croissance des végétaux, caractérisés par leurs formes, ingrédients inactifs ou modes d'applicationSubstances réduisant les effets nocifs des ingrédients actifs vis-à-vis d'organismes autres que les animaux nuisibles
A hydro-seeding composition having the form of an aqueous mixture comprising a polyacrylamide polymer and seeds. The polyacrylamide polymer is a potassium anionic polymer salt or an ammonium anionic polymer salt, instead of a sodium-based polyacrylamide polymer. The hydro-seeding composition may also include various soil amendments. The seeds are grass seeds or plant seeds.
C09K 17/00 - Substances pour conditionner ou stabiliser les sols
B29C 47/00 - Moulage par extrusion, c. à d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désirée; Appareils à cet effet (moulage par extrusion-soufflage B29C 49/04)
C08G 18/38 - Composés de bas poids moléculaire contenant des hétéro-atomes autres que l'oxygène
C08F 220/12 - Esters des alcools ou des phénols monohydriques
brevets
