Patents Assigned to Clariant International Ltd.
  • Publication number: 20230302464
    Abstract: A process or use of at least one hydroxyl ether diamine for improving a process for froth flotation of silicates. Compared to the benchmark ether monoamines, ether diamines or mixtures thereof, the selectivity performance of the hydroxyl ether diamines is significantly better, delivering higher recoveries for the mineral of interest.
    Type: Application
    Filed: March 25, 2022
    Publication date: September 28, 2023
    Applicant: Clariant International, Ltd.
    Inventors: Adriana Grossmann, Tobias PLATEN, Klaus RAAB, Claudio Wagner DA SILVA, Leandro Seixas BICALHO, Pedro Martins de Almeida ROLLO
  • Patent number: 11767413
    Abstract: The present invention relates to a composition comprising one or more (co)polymers and one or more phosphonite compounds that contain cardanol moieties. Moreover, the present invention also refers to the use of the phosphonite compounds as process stabilizers, in particular refers to the use of such compounds for stabilizing and/or reducing the Yellowness Index of a (co)polymer composition exposed to heat and/or mechanical stress.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: September 26, 2023
    Assignee: Clariant International Ltd
    Inventors: Pascal Steffanut, Stephane Bellemin-Laponnaz, Damien Bissessar, Thierry Achard
  • Patent number: 11753379
    Abstract: A process for forming 2-hydroxypyridine-1-oxide or derivatives thereof, the process comprising inter alia providing a solution comprising at least one compound according to Formula (1) and recovering a compound according to Formula (2) Also related products, uses, methods and compositions.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: September 12, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Ute Back, Dirk Fischer, Sidonie Vollrath, Lothar Fisch, Thierry Muller
  • Patent number: 11753576
    Abstract: This invention relates to a method for inhibiting the agglomeration of gas hydrates, comprising the injection of an anti-agglomerant comprising a N,N-dialkyl-ammoniumalkyl fatty acid amide represented by the formula (I) wherein R1 is an alkyl or alkenyl group having from 7 to 21 carbon atoms, R2 and R3 are each independently an alkyl group containing 1 to 10 carbon atoms, or together form an optionally substituted ring having 5 to 10 ring atoms, wherein the ring may carry up to 3 substituents, R4 is hydrogen or an alkyl group having 1 to 6 carbon atoms, R5 is hydrogen or an optionally substituted hydrocarbyl group having 1 to 17 carbon atoms and A is an alkylene group having two or three carbon atoms, into a fluid comprising gas, water and oil under conditions prone to the formation of gas hydrates, wherein the N,N-dialkyl-ammoniumalkyl fatty acid amide represented by the formula (I) is produced by the condensation reaction of a fatty acid with an N,N-dialkylamino alkyl amine and subsequent neutralization
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: September 12, 2023
    Assignee: Clariant International Ltd.
    Inventors: Scot Bodnar, Dan Smith, Felix Hoevelmann, Corinna Krüger, Matthias Krull, Jonathan James Wylde, Lisa Greaney Tejada
  • Patent number: 11753541
    Abstract: The invention relates to compositions containing compounds of formula (I), formula (II), or mixtures thereof, in which n is an integer greater than or equal to 1, R1, an aliphatic, linear or branched hydrocarbon group having 1 to 10 carbon atoms, a hydrogen atom, the structural unit —O—X, or the structural unit —CH2—O—X, X corresponds to formula (III), in which a is an integer from 2 to 6, b is an integer from 0 to 3, c is an integer from 20 to 28, m is 1 or 2, R2 is an aliphatic, linear or branched hydrocarbon group having 1 to 10 carbon atoms, Y is hydrogen, —SO3M, —SO2M, —PO3M2, or —CH2COOM, and M is a cation. The compounds of formula (I), of formula (II), or mixtures thereof are preferably suitable to act as a dispersing agent.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: September 12, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Dorothee Gabel, Felix Hövelmann, Rainer Kupfer, Benjamin Scheinhardt, Dietmar Beck
  • Patent number: 11753577
    Abstract: This invention relates to a method for inhibiting the agglomeration of gas hydrates, comprising the injection of an anti-agglomerant comprising a N,N-dialkyl-ammoniumalkyl fatty acid amide represented by the formula (I) wherein R1 is an alkyl or alkenyl group having from 7 to 21 carbon atoms, R2 and R3 are each independently an alkyl group containing 1 to 10 carbon atoms, or together form an optionally substituted ring having 5 to 10 ring atoms, wherein the ring may carry up to 3 substituents, R4 is hydrogen or an alkyl group having 1 to 6 carbon atoms, R5 is hydrogen or an optionally substituted hydrocarbyl group having 1 to 22 carbon atoms and A is an alkylene group having two or three carbon atoms, into a fluid comprising gas, water and oil under conditions prone to the formation of gas hydrates, wherein the N,N-dialkyl-ammoniumalkyl fatty acid amide represented by formula (I) is produced by the aminolysis of an ester of a fatty acid and a C1- to C4-alcohol with an N,N-dialkylamino alkyl amine and s
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: September 12, 2023
    Assignee: Clariant International Ltd.
    Inventors: Scot Bodnar, Dan Smith, Felix Hoevelmann, Corinna Krüger, Matthias Krull, Jonathan James Wylde, Lisa Greaney Tejada
  • Publication number: 20230279221
    Abstract: What are described are mixtures comprising selected phosphinic salts as component A, polymeric carbodiimide compounds as component B, and at least two of components C, D and/or G, where component C is a sterically hindered phenol, component D is an organic phosphite or phosphonite, and component G is a lubricant or demoulding agent. The mixtures may be used for production of flame-retardant compositions of thermoplastic polymers. These compositions feature enhanced hydrolysis stability.
    Type: Application
    Filed: July 15, 2021
    Publication date: September 7, 2023
    Applicant: CLARIANT INTERNATIONAL LTD
    Inventors: Sebastian HOEROLD, Eva Maria LEUSCHNER
  • Publication number: 20230272283
    Abstract: Phosphorus-containing flame retardant mixtures, a process for production of said mixtures and use of said mixtures, and also epoxy resin formulations which comprise said flame retardant mixtures. The present invention relates to phosphorus-containing flame retardant mixtures, comprising individual flame retardants having in each case one or more functional groups of the formulae (I), (II) and (III), where, based on the total quantity of functional groups in the flame retardant mixture, 1 to 98 mol % of functional groups of the formula (I), 1 to 35 mol % of functional groups of the formula (II) and 1 to 98 mol % of functional groups of the formula (III) are present, and where R1 and R2 are identical or different and are mutually independently hydrogen, C1- to C12-alkyl, linear or branched, and/or C6- to C18-aryl and the entirety of (I), (II) and (III) is always 100 mol %.
    Type: Application
    Filed: June 11, 2021
    Publication date: August 31, 2023
    Applicant: CLARIANT INTERNATIONAL LTD
    Inventors: Frank OSTEROD, Martin SICKEN, Harald BAUER, Oliver HAUENSTEIN
  • Publication number: 20230272231
    Abstract: The invention relates to rice bran wax oxidates that have optionally been derivatized and to micronized wax additives (MWAs) comprising optionally derivatized rice bran wax oxidate, having a volume-average particle size d50 of between 1 and 50 ?m, and to the production thereof and use thereof in printing inks, paints and coatings.
    Type: Application
    Filed: June 18, 2021
    Publication date: August 31, 2023
    Applicant: CLARIANT INTERNATIONAL LTD
    Inventors: Milena WUNDLECHNER, Simon BODENDORFER, Philipp KRATZER, Manuel BROEHMER, Tobias NIEDERLEITNER
  • Patent number: 11739195
    Abstract: The invention relates to additive mixtures for plastics containing phosphinic acid of the formula (I) as component A, wherein R1 and R2 mean ethyl, M is Al, Fe, TiOp or Zn, m means 2 to <4, preferably 2 or 3, and p=(4?m)/2 is a compound selected from the group of Al, Fe, TiOp or Zn salts of ethylbutylphosphinic acid, dibutylphosphinic acid, ethylhexylphosphinic acid, butylhexylphosphinic acid and/or dihexylphosphinic acid as component B, phosphonic acid salt of formula (II) as component C, wherein R3 means ethyl, Met is Al, Fe, TiOq or Zn, n means 2 to 3, and q=(4?n)/2, and antimony, tin and/or indium as component D. Polymer compositions containing said additive mixtures are characterized by exceptional flame protection and by very good laser markability or laser weldability.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 29, 2023
    Assignee: Clariant International Ltd
    Inventors: Harald Bauer, Sebastian Hörold, Martin Sicken
  • Publication number: 20230227629
    Abstract: The invention provides a flame retardant-stabilizer combination for thermoplastic polymers, comprising as component A 20% to 99.7% by weight of phosphinic salt of the formula (I), (I), in which R1 and R2 are each ethyl, M is Al and m is 3; as component B 0.2% to 16% by weight of aluminium salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid; as component C 0.
    Type: Application
    Filed: June 11, 2021
    Publication date: July 20, 2023
    Applicant: CLARIANT INTERNATIONAL LTD
    Inventors: Sebastian HOEROLD, Harald BAUER
  • Patent number: 11701643
    Abstract: The present disclosure relates to gallium-based dehydrogenation catalysts that further include additional metal components, and to methods for dehydrogenating hydrocarbons using such catalysts. One aspect of the disclosure provides a calcined dehydrogenation catalyst that includes a gallium species, a cerium species, a platinum promoter, and a silica-alumina support. Optionally, the composition can include a promoter selected from the alkali metals and alkaline earth metals.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: July 18, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Rong Xing, Vladimir Fridman
  • Patent number: 11700852
    Abstract: The invention relates to adjuvant compositions which contain a) one or more polyalkylene glycol sulfate salts or polyalkylene glycol sulfonate salts, b) water, and c) one or more electrolytes dissociated into ions. Said adjuvant compositions can be preferably used combined with pharmaceutical active ingredients, agrochemical active ingredients, biocides or repellents which have a high electrolyte content.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: July 18, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Peter Baur, John Aponte, Gerd Schweinitzer
  • Publication number: 20230220295
    Abstract: This invention relates to a functional fluid, comprising (A) from 70 to 90, preferably 75-87 wt.-% of alkoxy glycol according to formula (I) CH3—O—(CH2—CH2—O)n—H wherein n is a number from 2 to 5, with the proviso that in at least 30 wt.-% of all compounds according to formula (I) n is 3, and that 15 to 65 wt.-% of all compounds according to formula (I) have n=4 or 5, and (B) less than 1.0 wt.-% of alkoxy glycol according to formula (II) R1—O—(CH2—CH2—O)m—H wherein R1 is a C2 to C8 alkyl residue, m is a number from 2 to 6, (C) from 8 to 25, preferably 12-23 wt.-% of at least one compound according to formula (III) H—O—(CH2—CH2—O)k—H wherein k is a number of 2 or higher, with the proviso that in at least 80 wt.
    Type: Application
    Filed: December 2, 2020
    Publication date: July 13, 2023
    Applicant: Clariant International Ltd
    Inventor: Felix HÖVELMANN
  • Patent number: 11692097
    Abstract: A flame-retardant polyamide composition can be prepared with a glow wire ignition temperature of not less than 775° C. Such a composition can include a polyamide having a melting point of not more than 290° C. as component A, fillers and/or reinforcers as component B, a phosphinic salt of the formula (I) as component C, a compound selected from the group of the Al, Fe, TiOp and Zn salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid as component D, a phosphonic salt of the formula (II) as component E, and a melamine polyphosphate having an average degree of condensation of 2 to 200 as component F. Additional components can be included in the composition.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: July 4, 2023
    Assignee: Clariant International Ltd
    Inventors: Harald Bauer, Sebastian Hörold, Martin Sicken
  • Patent number: 11692057
    Abstract: A renewably sourced soil release polyester comprising two or more structural units (a1), one or more structural units (a2) and either one or two terminal structural groups (a3) wherein G1 is one or more (OCnH2n) with n being a number of from 2 to 10, preferably from 2 to 6 and more preferably (OC2H4), (OC3H6), (OC4H8) or (OC6H12), R1 is a C1-30 alkyl, preferably C1-4 alkyl and more preferably methyl, p is, based on a molar average, a number of from 1 to 200, preferably from 2 to 150 and more preferably from 3 to 120, q is, based on a molar average, a number of from 0 to 40, preferably from 0 to 30, more preferably from 0 to 20, and most preferably from 0 to 10, where the (OC3H6)— and (OC2H4)-groups of the terminal group (a3) may be arranged blockwise, alternating, periodically and/or statistically, preferably blockwise and/or statistically, either of the groups (OC3H6)— and (OC2H4)— can be linked to R1— and —O, adjacent structural units (a1) are connected by the structural unit (a2), in the case that
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: July 4, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Kevin Mutch, Martijn Gillissen
  • Patent number: 11692053
    Abstract: This invention relates a wax inhibitor for hydrocarbon oils comprising an esterified copolymer having repeating structural units derived from an esterified ethylenically unsaturated dicarboxylic acid and ?-olefins having at least 18 carbon atoms, whereof at least 3 mol-% of the ?-olefins have 30 or more carbon atoms, and wherein the ethylenically unsaturated dicarboxylic acid has been esterified with a mixture of alcohols comprising i) 70 to 97 mol-% of a saturated fatty alcohol having 18 to 24 carbon atoms and ii) 3 to 30 mol-% of an unsaturated alcohol having 16 to 24 carbon atoms.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: July 4, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Anton Kaiser, Michael Feustel, Christoph Kayser, Matthias Krull, Michael Schaefer, Rashod Smith
  • 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