Patents Assigned to Clariant International Ltd.
  • Patent number: 11692052
    Abstract: Copolymers prepared by the free-radical copolymerization of the following components: a) cationic monomers selected from the group consisting of cationic (meth)acrylamide monomers and diallyldimethylammonium chloride, b) polyethylene glycol macromonomers, and c) uncharged acrylamide monomers.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: July 4, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Hannah Benson, Carsten Cohrs, Mike Sahl
  • Publication number: 20230192939
    Abstract: The present invention relates to a thickener composition comprising a hydrophobically modified alkylene oxide polyurethane obtained by reacting a water-soluble polyalkylene glycol, a diisocyanate and a polyester end-capping agent which is a reaction product of a lactone compound and a monhydroxy compound. The present invention further relates to a process for the preparation of the hydrophobically modified alkylene oxide polyurethane.
    Type: Application
    Filed: March 31, 2020
    Publication date: June 22, 2023
    Applicant: Clariant International Ltd.
    Inventors: Lin NIU, Chunyan WANG
  • Publication number: 20230183612
    Abstract: Soil release polyesters for use in detergent compositions Polyesters are described comprising one or more structural units of the formula (I) and one or more structural units of the formula (II) and one or more terminal groups of the formula (III-a) or mixtures thereof wherein R1 is a linear or branched alkyl group comprising from 7 to 30 carbon atoms or a linear or branched alkenyl group comprising one or more double bonds and from 7 to 30 carbon atoms or mixtures thereof, a is, based on a molar average, a number from 1 to 200, and R2 is a linear or branched alkylene group (CmH2m) with m being a number from 2 to 10 or mixtures thereof. The polyesters are particularly suited to be used as soil release agents.
    Type: Application
    Filed: May 19, 2021
    Publication date: June 15, 2023
    Applicant: Clariant International Ltd.
    Inventors: Martijn GILLISSEN, Hiroe YAMADA, Kevin James MUTCH
  • Patent number: 11660580
    Abstract: A dismountable and dismantlable loading system for loading a reactor with bulk material, is described. The dismantlable rail system with a multiplicity of rail segments can be connected to one another to form a self-contained rail system, wherein the individual rail segments have the ability to connect the rail segments to one another. Also provided is at least one rail vehicle for operation on the rail system, having a holding device for containers for receiving the bulk material, and at least one filling station for receiving the bulk material, having a hose present in the floor of the filling station for transporting the bulk material into various areas of the reactor.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: May 30, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Stefan Maier, Sebastian Werner, Ebbe Juul Diekmann
  • Publication number: 20230159812
    Abstract: This invention provides a composition comprising I. at least one reaction product between a nitrogen-free monohydric alcohol and an aldehyde or ketone, and II. at least one reaction product between a nitrogen-free polyhydric alcohol and an aldehyde or ketone, and optionally III. at least one reaction product from III.a) formaldehyde, and III.b) an amine, selected from the group consisting of primary alkyl amines having 1 to 4 carbon atoms, and primary hydroxy alkyl amines having 2 to 4 carbon atoms, and optionally IV. at least one solid suppression agent selected from the group consisting of IV(a). alkali or alkaline earth metal hydroxides IV(b). mono-, di- or tri-hydroxy alkyl, aryl or alkylaryl amines, IV(c). mono-, di- or tri-alkyl, aryl or alkylaryl primary, secondary and tertiary amines or IV(d). multifunctional amines and IV(e). mixtures of compounds of groups IV(a) to IV(c). wherein alkyl is C1 to C15, aryl is C6 to C15 and alkylaryl is C7 to C15.
    Type: Application
    Filed: November 7, 2022
    Publication date: May 25, 2023
    Applicant: Clariant International Ltd.
    Inventors: Antonio Pedro DE OLIVEIRA FILHO, Aline KINA, Grahame TAYLOR, Jonathan WYLDE, James BEGEAL, Ali YOUSEF, Matthias KRULL, Mike SAHL
  • Patent number: 11649310
    Abstract: What are described are copolymers containing cationic structural units and macromonomeric structural units. The copolymers are, for example, advantageously suitable for use in detergent compositions and lead to advantageous shine results, for example, after application on hard surfaces.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 16, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Hannah Benson, Carsten Cohrs, Mike Sahl
  • Publication number: 20230147977
    Abstract: The present invention refers to a root extract of the plant Luffa cylindrica, wherein said root extract is enriched in bryonolic acid, wherein the bryonolic acid represents at least 10% by weight, relative to the total weight of the dry extract. The present invention refers also to compositions comprising said root extract.
    Type: Application
    Filed: February 24, 2021
    Publication date: May 11, 2023
    Applicants: Clariant International Ltd, Plant Advanced Technologies SA
    Inventors: Mathilde FRECHET, Hanane CHAJRA, Agnes GUILLAUMIN
  • Patent number: 11643954
    Abstract: Disclosed herein are monolith oxidation catalysts for the destruction of CO and volatile organic compounds (VOC) chemical emissions, in particular, the destruction of light alkane organic compounds. The catalysts contain high surface area refractory oxides of silica- and hafnia-doped zirconia and silica, or tin oxide or stabilized alumina; and at least one platinum group metals, in particular platinum metal, or a combination of platinum and palladium.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: May 9, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Zhongyuan Dang, Karen Buckman, Gregory Cullen, Seyma Ortatatli
  • Patent number: 11634370
    Abstract: The present disclosure relates to methods for selectively hydrogenating acetylene, to methods for starting up a selective hydrogenation reactor, and to hydrogenation catalysts useful in such methods. In one aspect, the disclosure provides a method for selectively hydrogenating acetylene, the method comprising contacting a catalyst composition with a process gas. The catalyst composition comprises a porous support, palladium, and one or more ionic liquids. The process gas includes ethylene, present in the process gas in an amount of at least 20 mol. %; acetylene, present in the process gas in an amount of at least 1 ppm; and 0 to 190 ppm or at least 600 ppm carbon monoxide. At least 90% of the acetylene present in the process gas is hydrogenated, and the selective hydrogenation is conducted without thermal runaway.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: April 25, 2023
    Assignee: Clariant International Ltd
    Inventors: Darren Adams, Mingyong Sun, Uwe Duerr, Denise Cooper, Brian Heasley, Ling Xu, Tina Clinton
  • Patent number: 11628589
    Abstract: The invention relates to mixtures containing, as component (A) ammonium polyphosphate and, as component (B) a soluble ionic compound which contains sulfate and/or is capable of releasing sulfate ions. The invention also relates to a method for producing such mixtures and to the use thereof.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: April 18, 2023
    Assignee: Clariant International Ltd
    Inventor: Andreas Termath
  • Patent number: 11623902
    Abstract: The present disclosure relates to methods for selectively hydrogenating acetylene, to methods for starting up a selective hydrogenation reactor, and to hydrogenation catalysts useful in such methods. In one aspect, the disclosure provides a method for selectively hydrogenating acetylene, the method comprising contacting a catalyst composition with a process gas. The catalyst composition comprises a porous support, palladium, and one or more ionic liquids. The process gas includes ethylene, present in the process gas in an amount of at least 20 mol. %; and acetylene, present in the process gas in an amount of at least 1 ppm. At least 90% of the acetylene present in the process gas is hydrogenated, and the selective hydrogenation is conducted without thermal runaway. Notably, the process gas is contacted with the catalyst at a gas hourly space velocity (GHSV) based on total catalyst volume in one bed or multiple beds of at least 7,100 h?1.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: April 11, 2023
    Assignee: Clariant International Ltd
    Inventors: Darren Adams, Mingyong Sun, Uwe Duerr, Denise Cooper, Brian Heasley, Ling Xu, Tina Clinton
  • Publication number: 20230102819
    Abstract: Use of complex polyester amines and polyester quaternary ammonium compounds as corrosion inhibitors for metal surfaces, and a method for protecting a metal surface from corrosion by contacting the metal surface with said corrosion inhibitor.
    Type: Application
    Filed: August 5, 2021
    Publication date: March 30, 2023
    Applicant: Clariant International, Ltd.
    Inventors: Dirk LEINWEBER, Tobias PLATEN, Nihal N. OBEYESEKERE, Matthias KRULL
  • Publication number: 20230091787
    Abstract: The invention relates to a flotation agent for lithium or phosphate ore, comprising at least one fatty acid and at least one 1-alkyl-5-oxopyrrolidine-3-carboxylic acid or 1-alkenyl-5-oxopyrrolidine-3-carboxylic acid or a mixture thereof of the formula (1) wherein R is a C7 to C21 alkyl or alkenyl group, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the 1-alkyl-5-oxopyrrolidine-3-carboxylic acid or 1-alkenyl-5-oxopyrrolidine-3-carboxylic acid of the formula (I) is from 1 to 30 wt.-%.
    Type: Application
    Filed: September 9, 2021
    Publication date: March 23, 2023
    Applicant: Clariant International, Ltd.
    Inventors: Dirk LEINWEBER, Adriana GROSSMANN, Wagner Claudio DA SILVA, Leandro Seixas BICALHO
  • Publication number: 20230093189
    Abstract: Cleaning compositions e.g. containing one or more copolymers comprising structural units a) derived from one or more monomers comprising a sulfonic acid group or a sulfonate group, and structural units b) derived from one or more monomers comprising a carboxylic acid group or a carboxylate group and structural units c) derived from one or more cationic monomers are disclosed. The cleaning compositions are e.g. suited to be used for the treatment of hard surfaces, for easier next time cleaning of hard surfaces and for preventing the build-up of limescale on hard surfaces.
    Type: Application
    Filed: February 15, 2021
    Publication date: March 23, 2023
    Applicant: Clariant International Ltd.
    Inventors: Xiaoqiang GUO, Christoph KAYSER, Margarethe PFAHLS
  • Publication number: 20230084553
    Abstract: The invention relates to thermoplastic moulding materials comprising styrene block copolymers and propylene-based copolymers, wherein the SBC polymers comprise a styrene content of 5 to 40% by weight and the backbone of the propylene copolymers has a weight-average molecular weight Mw<10 000 g/mol. The thermoplastic moulding materials are suitable for affixing granules due to their melt viscosity and their mechanical properties.
    Type: Application
    Filed: January 25, 2021
    Publication date: March 16, 2023
    Applicant: CLARIANT INTERNATIONAL LTD
    Inventors: Jeremia SCHWABE, Erik HAUCK, Felix KIRSCHVINK, Sebastijan BACH, Gabriele STIEHL, Robert TURNER, Torsten LINDNER, Christian NEU
  • Patent number: 11603497
    Abstract: This invention provides a composition comprising I. at least one reaction product between a nitrogen-free monohydric alcohol and an aldehyde or ketone, and II. at least one reaction product between a monosaccharide having 3 to 6 carbon atoms and/or an oligosaccharide being formed by oligomerization of monosaccharides having 3 to 6 carbon atoms and an aldehyde or ketone, and optionally III. at least one reaction product from III.a) formaldehyde, and III.b) an amine, selected from the group consisting of primary alkyl amines having 1 to 4 carbon atoms, and primary hydroxy alkyl amines having 2 to 4 carbon atoms, and optionally IV. at least one solid suppression agent selected from the group consisting of IV(a). alkali or alkaline earth metal hydroxides IV(b). mono-, di- or tri-hydroxy alkyl, aryl or alkylaryl amines, IV(c). mono-, di- or tri-alkyl, aryl or alkylaryl primary, secondary and tertiary amines or IV(d). multifunctional amines and IV(e). mixtures of compounds of groups IV(a) to IV(c).
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: March 14, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Antonio Pedro de Oliveira Felho, Aline Yae Kina, Grahame N. Taylor, Fabian Schneider, Julie Murison, Stefan Hauck, Mike Sahl, Matthias Krull, Jonathan James Wylde
  • Patent number: 11596952
    Abstract: The invention relates to esterquats which can be obtained by reacting di- or trialkanolamines with a mixture of fatty acids and polycarboxylic acids, and the esters obtained in this manner are then quaternized with an alkylating agent, wherein the di- or trialkanolamines correspond to formula (I), in which R1 and R2 independently of one another represent hydroxyalkyl groups with 1 to 20 carbon atoms, hydroxyalkenyl groups with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group and R3 represents hydrogen, an alkyl group with 1 to 20 carbon atoms, an alkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, a hydroxyalkyl group with 1 to 20 carbon atoms, a hydroxyalkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group; the fatty acids correspond to formula (II), R4—COOH??(II) in which R4 represents an aliphatic, linear, or branched hyd
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: March 7, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Matthias Arndt, Klaus-Ulrich Pedain, Pia Mueller, Gemma Solduga Ramirez, Yves Schunk, Jozef Kochan
  • Patent number: 11583787
    Abstract: This invention provides a concentrated demulsifier composition comprising A) at least 50 wt.-% of a demulsifier, selected from the group consisting of a polymeric nonionic oil-soluble demulsifier for mineral oils, and an alkyl aryl sulphonic acid or its salt, and mixtures thereof, B) 0.1 to 20 wt.-% of a surfactant selected form anionic, cationic, zwitterionic and nonionic surfactants, the surfactant being different from the demulsifier, C) less than 20 wt.-% of a water-immiscible organic solvent, D) 3 to 49 wt.-% of a water-miscible organic solvent and E) 0 to 5 wt.-% of water.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: February 21, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Antonio Pedro de Oliveira Filho, Carlos Augusto Blasques Tooge, Thiago Nogueira, Everton Basso, Sergio Costa Da Silva, Carlos Alberto Magaton, Matthias Krull
  • Patent number: 11572499
    Abstract: The present disclosure relates to a gas hydrate inhibitor composition, comprising A) a compound according to formula (1) wherein R1 is an alkyl group having from 1 to 5 carbon atoms; R2 is hydrogen or an alkyl group having from 1 to 5 carbon atoms; R3 is present or not as hydrogen and organic moieties having from 1 to 20 carbon atoms; R4 is selected from —(CH2)t—, —[CH2—CHR6)t]—, —(CH2—CHR6O)u—(CH2)t— and combinations thereof; R5 is an alkyl or alkenyl group having 4 to 22 carbon atoms; R6 is hydrogen or an alkyl group having from 1 to 4 carbon atoms; R7 is hydrogen or an alkyl group having from 1 to 4 carbon atoms; R8 is present or not as hydrogen or organic moieties having from 1 to 20 carbon atoms; t is 2, 3 or 4; u is an integer between 0 and 100; n is 0 or 1 m is 0 or 2 o is 0 or 2, p is 0 or 1 X? is an anion, and a synergistic cationic surfactant which is selected from quaternary benzyl ammonium salts having besides the benzyl group at least one C8-C18-alkyl group bound to the nitrogen atom.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: February 7, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Dirk Leinweber, Zachary Thomas Ward, Felix Hoevelmann, Jonathan James Wylde
  • Patent number: 11572463
    Abstract: The invention relates to thermoplastic molding compounds having melt viscosities of less than 30,000 mPas for use as a hot-melt adhesive, comprising the components A and B, wherein component A comprises one or more C3/C2 copolymers each produced with metallocene catalysts and each having a melt viscosity at 170° C. of less than 20,000 mPas, measured according to DIN 53019, and a molecular weight MW of 1000 g/mol to 50,000 g/mol, and component B comprises one or more C2/C3 copolymers each produced with metallocene catalysts and each having a melt flow index MI of 1 to 100 g/m in, measured at 190° C./2.16 kg, according to ASTM D 1238, and a molecular weight MW of 50,000 g/mol to 300,000 g/mol. Said thermoplastic molding compounds, because of the viscosity and mechanical properties thereof, are suitable for fiber mesh applications.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: February 7, 2023
    Assignee: Clariant International Ltd
    Inventors: Jeremia Schwabe, Erik Hauck, Simon Bodendorfer, Sebastijan Bach, Matthias Roessle, Torsten Lindner, Robert Turner, Christian Neu, Matthias Morand, Gabriele Stiehl