Patents Assigned to Clariant GmbH
  • Patent number: 6475250
    Abstract: The invention relates to additives for improving cold-flow and lubricating properties of fuel oils, comprising A) 5-95% by weight of at least one oil-soluble amphiphile of the formulae in which R1 is an alkyl, alkenyl, hydroxyalkyl or aromatic radical having 1 to 50 carbon atoms, X is NH, NR3, O or S, y is 1, 2, 3 or 4, R2 is an alkyl radical carrying hydroxyl groups and having 2 to 10 carbon atoms and R3 is an alkyl radical carrying nitrogen and/or hydroxyl groups and having 2 to 10 carbon atoms or a C1-C20-alkyl radical, and B) 5 to 95% by weight of a terpolymer of ethylene, the vinyl ester of one or more aliphatic, linear or branched monocarboxylic acids which contain 2 to 20 carbon atoms in the molecule and a C5-C7-olefin containing from 9 to 18 mol % of vinyl ester and from 0.5 to 5 mol % of olefin (based in each case on the terpolymer), having a melt viscosity, measured at 140° C., of from 20 to 10,000 mPas.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: November 5, 2002
    Assignee: Clariant GmbH
    Inventors: Matthias Krull, Werner Reimann
  • Publication number: 20020161230
    Abstract: A process for preparing boronic acids of the formula (I) and borinic acids of the formula (II), 1
    Type: Application
    Filed: February 28, 2002
    Publication date: October 31, 2002
    Applicant: Clariant GmbH
    Inventors: Andreas Meudt, Michael Erbes, Klaus Forstinger
  • Patent number: 6472448
    Abstract: The invention relates to a halogen-free, flame-retardant rigid polyurethane foam, wherein a combination of oxalkylated alkylphosphonic acids and ammonium polyphosphate is present as flame retardant, and to a process for its production. The invention also relates to the use of oxalkylated alkylphosphonic acids in a mixture with ammonium polyphosphate for producing halogen-free, flame-retardant rigid polyurethane foams of this type.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: October 29, 2002
    Assignee: Clariant GmbH
    Inventors: Anne Witte, Wilfried Krieger
  • Publication number: 20020155982
    Abstract: The invention relates to builder compositions obtainable by bringing
    Type: Application
    Filed: November 9, 2001
    Publication date: October 24, 2002
    Applicant: Clariant GmbH
    Inventors: Harald Bauer, Josef Holz, Gunther Schimmel
  • Patent number: 6465528
    Abstract: The present invention relates to resins obtained by reacting a compound of formula 1 with an aldehyde and alkoxylating, in any order: wherein X is —OH, Y is ortho-, meta- or para- to X and is a radical of formula 4, wherein R5 is a C1-C30-alkyl, C2-C30-alkenyl, C6-C18-aryl, or C7-C30-alkylaryl. The resin has a molecular mass from 250 to 100,000 and is useful in methods of breaking oil-water emulsions.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: October 15, 2002
    Assignee: Clariant GmbH
    Inventors: Frank Holtrup, Elisabeth Wasmund, Wolfram Baumgärtner, Michael Feustel
  • Patent number: 6465036
    Abstract: This type of foods, in particular margarine, comprises, as emulsifier, reaction products of sorbitol with triglycerides.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: October 15, 2002
    Assignee: Clariant GmbH
    Inventors: Franz Xaver Scherl, Angelika Turowski-Wanke, Tanja Fisch
  • Patent number: 6465643
    Abstract: The present invention relates to compounds of the formula in which one, two or three of the radicals R1, R2, R3 and R4 are where m and n are an integer from 1 to 10, R5, R6, R7 and R8 are, independently of one another, identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms, and the remaining radical(s) R1 to R4 are or —NR9R10, where R9 and R10 are identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms, and X− is an inorganic or organic anion or an equivalent of a multiply charged inorganic or organic anion. The invention further relates to mixtures of substances comprising compounds of the formula (1), to a process for preparing the compounds of the formula (1) and to the use thereof.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: October 15, 2002
    Assignee: Clariant GmbH
    Inventors: Berthold Schiemenz, Thomas Wessel, Ralf Pfirmann
  • Patent number: 6464768
    Abstract: The invention relates to a dye in which R1 is hydrogen, alkyl of 1 to 4 carbon atoms, or alkoxy of 1 to 4 carbon atoms; R2 is hydrogen, carboxyl, chloro or nitro; R21 is hydrogen; or R2 and R21 together form a benzene ring which is fused on in positions 3 and 4 of the ring A and can carry 1, 2 or 3 sulfo groups; m is a number from 0 to 1; n is a number from 1 to 2; M+ is a cation or a mixture of different cations, at least one equivalent of the cations M+ per mole of the dye being lithium cations and/or cations of the formula (II) where p is a number from 1 to 30; X is CH2CH2, CH(CH3)CH2, CH2CH(CH3) or a combination thereof and R3, R4 and R5 independently of one another are hydrogen, a group of the formula (III) —(—X—O—)pH  (III) or an aliphatic radical of 1 to 18 carbon atoms. Dyes of the formula (I) are particularly suitable as colorants in inkjet inks.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: October 15, 2002
    Assignee: Clariant GmbH
    Inventors: Wolfgang Bauer, Heidemarie Menzel, Josef Geisenberger, Reinhard Pedrazzi
  • Publication number: 20020147357
    Abstract: Process for the preparation of perfluorocarboxylic acids of the formula RF—COOH, salts thereof and esters thereof from perfluoroalkyl iodides of the formula RF′—I, in which RF and RF′ are cyclic, branched or linear, saturated or unsaturated perfluoroalkyl radicals, by activating the perfluoroalkyl iodides in the presence of oxygen and in organic solvents.
    Type: Application
    Filed: July 10, 2001
    Publication date: October 10, 2002
    Applicant: Clariant GmbH
    Inventors: Ralf Grottenmuller, Wolfgang Knaup, Anton Probst, Klaus Dullinger
  • Patent number: 6461393
    Abstract: The invention relates to additives for improving lubricating properties of fuel oils, comprising A) 10-95% by weight of at least one oil-soluble amphiphile of the formulae 1  and/or 2 R1—X—R2  (2) B) 5-90% by weight of at least one copolymer which contains B1) from 5 to 80 mol % of structural units which are derived from olefinically unsaturated compounds, and B2) from 20 to 95 mol % of structural units which are derived from olefinically unsaturated compounds, B3) from 0 to 40 mol % of further structural units selected from the group consisting of (meth)acrylic acid, (meth)acrylates, vinyl esters, vinyl ethers and alkenes, and the copolymer has an average molar mass Mw of from 500 to 100,000 g/mol and an OH number of from 10 to 350 mg KOH/g.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: October 8, 2002
    Assignee: Clariant GmbH
    Inventors: Matthias Krull, Werner Reimann
  • Patent number: 6462000
    Abstract: The use of copolymers containing structural units derived from the compounds of the formulae 1 and 2 in which R1 and R2 are H, C1-C4 alkyl or, with inclusion of the N—CO— group, form a ring of 5, 6, 7 or 8 ring atoms which in addition to the N—CO— group, may include further heteroatoms, R3 is H or C1-C4 alkyl, R4 is a branched or unbranched C1-C6 alkylene radical, and Y is an alkali metal or ammonium in amounts of from 0.01 to 2% by weight to prevent misting in water-based cooling lubricants.
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: October 8, 2002
    Assignee: Clariant GmbH
    Inventors: Rainer Kupfer, Karl Heinz Heier
  • Patent number: 6462006
    Abstract: A solid-form dishwasher detergent that contains a builder combination of conventional phosphates and crystalline layer silicates. Despite its phosphate content, the detergent provides improved protection to sensitive tableware, more particularly glasses and decorated tableware, and improved cleaning performance.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: October 8, 2002
    Assignees: Henkel Kommanditgesellschaft auf Aktien, Clariant GmbH
    Inventors: Rainer Sorg, Christian Nitsch, Juergen Haerer, Harald Volk, Thomas Mueller-Kirschbaum, Peter Krings, Harald Bauer, Josef Holz, Guenther Schimmel, Lothar Westermann
  • Patent number: 6458174
    Abstract: Copolymers containing A) from 45 to 54 mol % of divalent structural units of the formula 1 in which a and b=0 or 1 and a+b=1, B) from 35 to 53 mol % of divalent structural units of the formula 2 —H2C—CHR2—  (2) and C) from 1 to 25 mol % of divalent structural units derived from polyolefins, where the polyolefins can be derived from monoolefins having 3 to 5 carbon atoms, wherein a) R1 is an alkyl or alkenyl radical having 10 to 40 carbon atoms or an alkoxyalkyl radical having 1 to 100 alkoxy units and 1 to 30 carbon atoms in the alkyl radical, and b) R2 is an alkyl radical having 10 to 50 carbon atoms, c) the alkylvinylidene content of the polyolefins on which the structural units C) are based is at least 50 mol %, and d) the number of carbon atoms in the polyolefin molecules on which the structural units C) are based is from 35 to 350.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: October 1, 2002
    Assignee: Clariant GmbH
    Inventors: Matthias Krull, Waltraud Nagel
  • Publication number: 20020136746
    Abstract: The invention relates to cosmetic and pharmaceutical compositions containing at least one emulsifier comprising
    Type: Application
    Filed: November 24, 2001
    Publication date: September 26, 2002
    Applicant: Clariant GmbH
    Inventors: Peter Klug, Torsten Henning, Franz Xaver Scherl
  • Patent number: 6455491
    Abstract: The invention relates to a granular alkali metal phyllosilicate compound which comprises a crystalline alkali metal phyllosilicate, a colorant and an additive. The invention also relates to a process for its preparation, and to detergents and cleaners which comprise such a granular alkali metal phyllosilicate compound.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: September 24, 2002
    Assignee: Clariant GmbH
    Inventors: Harald Bauer, Josef Holz, Günther Schimmel
  • Patent number: 6452053
    Abstract: Compounds of the formula (R1R1)N—X—N(R1R1)  (I) are claimed, where R1 and X have the meanings given in the description.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: September 17, 2002
    Assignee: Clariant GmbH
    Inventors: Claudia Fischer, Jörg Issberner, Fritz Vögtle
  • Publication number: 20020127403
    Abstract: The invention relates to a stabilized, pulverulent red phosphorus material composed of phosphorus particles whose particle size is not more than 2 mm, and whose surface has been covered with a thin layer of an oxidation stabilizer, wherein the oxidation stabilizer is silver, and also to the use of the same, and to a process for its preparation.
    Type: Application
    Filed: November 28, 2001
    Publication date: September 12, 2002
    Applicant: Clariant GmbH
    Inventors: Sebastian Horold, Jurgen Laubner
  • Patent number: 6448297
    Abstract: The invention relates to alkyl phosphates, in particular their mixtures, of the formula in which R is C12-C22-alkyl, preferably C14-C18-alkyl, X is a group of the formulae NH3R1, NH2R2R3 or NHR4R5R6, Y is as defined for R or is as defined for X, and R1 is C8-C22-alkyl, R2 and R3 are C1-C22-alkyl or cyclohexyl, and R4, R5 and R6 are C1-C4-alkyl. These compounds, in particular the mixtures of mono- and diesters, are suitable as emulsifiers in the preparation of aqueous emulsions.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: September 10, 2002
    Assignee: Clariant GmbH
    Inventors: Angelika Turowski-Wanke, Matthias Löffler
  • Publication number: 20020122775
    Abstract: Cleaning composition for dental prostheses comprising an oxidizing agent and an organic compound which carries a carbonyl group which forms a dioxirane structure in aqueous solution by reaction with the oxidizing agent.
    Type: Application
    Filed: November 1, 2001
    Publication date: September 5, 2002
    Applicant: Clariant GmbH
    Inventors: Gerd Reinhardt, Torsten Henning, Wiebke Johannpeter
  • Publication number: 20020117649
    Abstract: The use of cyclic sugar ketones of the formula 1
    Type: Application
    Filed: November 16, 2001
    Publication date: August 29, 2002
    Applicant: Clariant GmbH
    Inventors: Gerd Reinhardt, Nicole Reichardt