Patents Assigned to Clariant GmbH
  • Patent number: 6872245
    Abstract: This invention relates to azo pigments of general formula (I) wherein D represents the radical of a diazo component; R1 and R2 are the same or different and represent hydrogen, a C1-C4 alkyl radical which is optionally substituted by hydroxy, amino, halogen or methoxy, or a (C6-C10) aryl radical which is optionally substituted by one, two or three substituents from the group C1-C4 alkyl, C1-C4 alkoxy, F, Cl, Br, CF3, NO2, OH, CONH2, CONH(C1-C4 alkyl), CON(C1-C4 alkyl)2, COO(C1-C4 alkyl), SO2NH2, SO2NH(C1-C4 alkyl) and SO2N(C1-C4 alkyl)2, provided that R1 and R2 do not simultaneously represent hydrogen; R4 represents hydrogen, C1-C4 alkyl, halogen, trifluoromethyl, C1-C4 alkoxy, NO2, or CN; and n represents 1, 2 or 3
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: March 29, 2005
    Assignee: Clariant GmbH
    Inventors: Felix W. Grimm, Hans Joachim Metz, Andreas Wacker
  • Patent number: 6864381
    Abstract: A process for preparing acyloxybenzenesulfonates by reacting a carboxylic acid derivative with a salt of a phenolsulfonic acid in the presence of an antioxidant, preferably 2,6-di-tert-butyl-4-methylphenol. The addition of such antioxidants gives a product having a high color quality.
    Type: Grant
    Filed: January 13, 2004
    Date of Patent: March 8, 2005
    Assignee: Clariant GmbH
    Inventors: Alexander Lerch, Michael Seebach, Wolf-Dieter Mueller
  • Patent number: 6858570
    Abstract: The following dye-transfer-inhibiting dye fixatives are used in laundry detergents: Reaction products of a) polyamines with cyanamides and amidosulfuric acid or b) cyanamides with aldehydes and ammonium salts or c) amines with epichlorohydrin.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: February 22, 2005
    Assignee: Clariant GmbH
    Inventors: Frank-Peter Lang, Helmut Berenbold, Michael Wessling
  • Patent number: 6855848
    Abstract: A process for preparing bisallylboranes of the formula (I) by reacting a diene with sodium borohydride in the presence of an oxidant: in an inert solvent, with the borane generated in situ reacting selectively with the diene to form the bis(allyl)borane of the formula (I) and the substituents R1 to R6 having the following meanings: R114 R6 are H, aryl or substituted or unsubstituted C1-C4-alkyl or two radicals R may be closed to form a cyclic system. As oxidant, it is possible to use, for example, alkyl halides or dialkyl sulfates. In a particularly preferred embodiment, the diene used is 2,5-dimethylhexa-2,4-diene (R1, R2, R5, R6=methyl, R3, R4=H).
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: February 15, 2005
    Assignee: Clariant GmbH
    Inventors: Stefan Scherer, Alexei Kalinin, Victor Snieckus
  • Patent number: 6855757
    Abstract: The invention relates to a process of preparing glycol carboxyethylmethylphosphinate, which comprises a) reacting elemental yellow phosphorus with methyl chloride in the presence of an alkali or alkaline earth metal hydroxide to form a mixture which includes the alkali and/or alkaline earth metal salts of methylphosphonous, phosphorous and hypophosphorous acids as main constituents, b) esterifying the methylphosphonous acid from the mixture obtained by a), c) removing the methylphosphonous ester from the mixture, d) adding the thus obtained methylphosphonous ester to an acrylic ester, e) hydrolyzing the diester thus obtained, f) esterifying the resulting carboxyethylmethylphosphinic acid with ethylene glycol directly to the glycol carboxyethylmethylphosphinate. The invention also relates to the use of the glycol carboxyethylmethylphosphinates prepared according to the invention as reactive flame retardants for polymers.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: February 15, 2005
    Assignee: Clariant GmbH
    Inventors: Sebastian Hörold, Heinz-Peter Breuer, Elisabeth Jung
  • Patent number: 6846338
    Abstract: A fuel oil comprising: A) a mineral oil having a cloud point of less than ?8° C., a boiling range (90-20%) of less than 120° C. and a difference between CFPP and PP of less than 10° C., and B) one or more copolymers, wherein the copolymers comprise: a) bivalent structural unit (B1), wherein (B1) is a bivalent structural unit of formula (1) —CH2—CH2—??(1) and b) one or more bivalent structural units (B2), wherein (B2) is either a bivalent structural unit of formula (2) —CH2—CR1R2—??(2) ?in which R1 is hydrogen or methyl, R2 is COOR3, OR3 or OCOR3, and R3 is an alkyl radical having at least 4 and at most 30 carbon atoms, or (B2) is a bivalent structural unit of formula (2a) ?in which R3 is an alkyl radical having at least 4 and at most 30 carbon atoms.
    Type: Grant
    Filed: February 19, 2001
    Date of Patent: January 25, 2005
    Assignee: Clariant GmbH
    Inventors: Matthias Krull, Werner Reimann, Markus Kupetz, Waltraud Nagel, Raimund Wildfang
  • Patent number: 6844310
    Abstract: The invention relates to builder compositions obtainable by bringing a) crystalline sheetlike sodium silicate of the formula NaMSixO2x+1.yH2O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20. b) water and c) an acidic, H+-releasing component, where the d) molar ratio of the crystalline sheetlike sodium silicate a) to the total amount of the releasable H+ of the acid component c) is 4:1 to 1000:1 and the e) molar ratio of the water b) to the total amount of the releasable H+ of the acidic component c) is 3:1 to 1000:1. into contact with one another. The invention also relates to laundry detergents, cleaners, compounds and water softeners comprising the builder compositions according to the invention.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: January 18, 2005
    Assignee: Clariant GmbH
    Inventors: Harald Bauer, Josef Holz, Günther Schimmel
  • Patent number: 6844468
    Abstract: The present invention relates to a process for preparing substituted benzoyl chlorides of the formula (1) where R, x and y have the meaning given below, which comprises reacting a benzaldehyde of the formula (2) where R, independently of each other, is identical or different and is an unsubstituted phenyl radical or a phenyl radical that is substituted by halogen, NO2, CN, (C1-C4)alkyl or (C1-C4)alkoxy, or is halogen, NO2, CN, NR?2, OR?, SO2R?, SO2OR?, COR? or CO2R?, where R? is an unbranched or branched C1-C10 alkyl radical, an unsubstituted phenyl radical or a phenyl radical which is substituted by halogen, NO2, CN, (C1-C4)alkyl or (C1-C4)alkoxy, x is 1 or 2 and y is 1, 2 or 3, with a chlorinating agent in the presence of a free-radical initiator and a solvent at from ?20 to +200° C.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: January 18, 2005
    Assignee: Clariant GmbH
    Inventors: Lars Bierer, Joachim Ritzer, Berthold Schiemenz, Thomas Wessel
  • Patent number: 6840989
    Abstract: The present invention relates to a corrosion inhibitor for bathing waters which contain chlorides and sulfates, in particular sodium chloride and magnesium sulfate, that reduces the corrosion effect of such bathing water on metallic materials, in particular steels (structural steel) and brass. The corrosion inhibitor of the present invention is based on a composition comprising phosphates, zinc chloride and aminotrimethylenephosphonic acid.
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: January 11, 2005
    Assignee: Clariant GmbH
    Inventor: Harald Artur Dietl
  • Publication number: 20040260010
    Abstract: A process for the preparation of concentrates which comprise 5 to 80% by weight of a copolymer based on acryloyldimethyltauric acid or salts thereof, 20 to 95% by weight of one or more emulsifiers and/or a solvent or solvent mixture and 0 to 30% by weight of water is described. The concentrates can, for example, be used for the preparation of cosmetic, pharmaceutical and dermatological preparations.
    Type: Application
    Filed: April 2, 2004
    Publication date: December 23, 2004
    Applicant: Clariant GmbH
    Inventors: Matthias Loeffler, Roman Morschhaeuser
  • Publication number: 20040259759
    Abstract: Process for preparing stable polymer concentrates, wherein acryloyldimethyltaurine and/or acryloyldimethyltaurate are free-radically polymerized with at least one further component in the presence of a polymerization medium, a higher-boiling solvent or solvent mixture is added to the resulting reaction product or reaction mixture, and the lower-boiling polymerization medium is removed, optionally under reduced pressure.
    Type: Application
    Filed: April 2, 2004
    Publication date: December 23, 2004
    Applicant: Clariant GmbH
    Inventors: Matthias Loeffler, Roman Morschhaeuser
  • Patent number: 6833419
    Abstract: The invention provides water-soluble or water-swellable copolymers obtained by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) optionally, one or more other olefinically unsaturated, optionally crosslinking, comonomers containing at least one oxygen, nitrogen, sulfur or phosphorus atom and possessing a molecular weight of less than 500 g/mol, and C) one or more at least monofunctional, fluorine-containing components capable of free-radical polymerization, the copolymerization D) taking place in the presence or absence of at least one polymeric additive having number-average molecular weights of from 200 g/mol to 109 g/mol. The water-soluble or water-swellable copolymers of the present invention are useful in paper processing, laundry detergents, textile processing, petroleum extraction and formulating cosmetics.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: December 21, 2004
    Assignee: Clariant GmbH
    Inventors: Roman Morschhäuser, Christoph Kayser, Matthias L{hacek over (o)}ffler
  • Patent number: 6833470
    Abstract: A process for preparing formylphenylboronic acids of the formula (I) by reaction of protected chlorobenzaldehydes of the formula (II) with lithium in an inert solvent to form compounds of the formula (III) and subsequent reaction with a boron compound of the formula BY3 to give compounds of the formula (I).
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: December 21, 2004
    Assignee: Clariant GmbH
    Inventors: Andreas Meudt, Stefan Scherer, Frank Vollmueller, Michael Erbes
  • Patent number: 6833129
    Abstract: Body-cleansing compositions are claimed which comprise oligoesters obtained by condensation of one or more dicarboxylic acids or esters thereof and one or more polyhydric alcohols.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: December 21, 2004
    Assignee: Clariant GmbH
    Inventors: Matthias Löffler, Vera Mulitze-Kleinheyer
  • Publication number: 20040244278
    Abstract: The invention provides fuel oils comprising a major proportion of a mixture of
    Type: Application
    Filed: April 21, 2004
    Publication date: December 9, 2004
    Applicant: Clariant GmbH
    Inventors: Bettina Siggelkow, Werner Reimann, Ulrike Neuhaus, Renate Braun
  • Publication number: 20040242738
    Abstract: The invention relates to a styrene-hypophosphite adduct of the formula (I)
    Type: Application
    Filed: May 26, 2004
    Publication date: December 2, 2004
    Applicant: Clariant GmbH
    Inventors: Harald Bauer, Sebastian Hoerold, Werner Krause, Martin Sicken, Peter Staniek
  • Patent number: 6821335
    Abstract: The invention relates to pigment preparations containing (a) at least one organic or inorganic pigment; (b) at least one cyclic imide of general formula (1) wherein R1 represents a linear-chain, branched or cyclic aliphatic radical having 10 to 30—preferably 12 to 25—carbon atoms, or an alkenyl radical having 10 to 30—preferably 12 to 25—carbon atoms, the aforementioned radicals being able to be substituted by at least one, e.g. 2, 3, 4 or 5, substituent from the group consisting of C1-C6-alkyl, C1-C6-alkoxy, C6-C10-aryl, hydroxy, carboxy, and sulfo, R2, R3, R4 and R5 are the same or different and represent hydrogen, C1-C10-alkyl, C1-C10-alkoxy, halogen, OR6, NR6R7, —COOR6, —CONR6R7, —NR6—COR7, SO2NR6R7, —SO3M, —NO2, —CN or CF3, R6 and R7 representing H or an alkyl radical having 1 to 10 C atoms and M representing an equivalent of a cation having a valency of 1 to 3; and (c) optionally further standard additives.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: November 23, 2004
    Assignee: Clariant GmbH
    Inventors: Martin Alexander Winter, Andreas Harz, Hans Joachim Metz
  • Patent number: 6822113
    Abstract: A process for preparing acyloxybenzenesulfonates by reacting anhydrous phenolsulfonates with carboxylic acid derivatives comprises conducting the reaction with a salt of a phenolsulfonic acid which has a water content of less than 0.5% by weight and has been contacted with a substance having basic properties.
    Type: Grant
    Filed: May 8, 2003
    Date of Patent: November 23, 2004
    Assignee: Clariant GmbH
    Inventors: Gerd Reinhardt, Peter Naumann, Alexander Lerch, Wolf-Dieter Mueller, Narayan D. Sadanani
  • Publication number: 20040226216
    Abstract: The invention relates to fuel oils comprising a larger proportion of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight, and also a smaller proportion of at least one copolymer of ethylene and vinyl esters, said copolymer containing
    Type: Application
    Filed: December 12, 2003
    Publication date: November 18, 2004
    Applicant: Clariant GmbH
    Inventors: Matthias Krull, Markus Kupetz, Raimund Wildfang
  • Publication number: 20040227130
    Abstract: The invention relates to a novel flame retardant and stabilizer combined, for thermoplastics, which comprises, as component A, from 25 to 99.
    Type: Application
    Filed: March 2, 2004
    Publication date: November 18, 2004
    Applicant: Clariant GmbH
    Inventors: Sebastian Hoerold, Ottmar Schacker