Patents by Inventor Ditmar Kischkel

Ditmar Kischkel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10844326
    Abstract: Described herein is a formulation including (A) at least one nonionic surfactant, (B) at least one graft copolymer formed from (a) at least one graft base selected from nonionic monosaccharides, disaccharides, oligosaccharides and polysaccharides, and side chains; and (C) a total of zero to 0.5% by weight of methylglycinediacetic acid (MGDA) and glutaminediacetic acid (GLDA) and alkali metal salts of MGDA and GLDA and a total of zero to 0.5% by weight of citric acid or an alkali metal salt of citric acid, where figures in % by weight are based in each case on a solids content of the formulation in question.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: November 24, 2020
    Assignee: BASF SE
    Inventors: Holger Tuerk, Heike Weber, Ditmar Kischkel, Juergen Franke
  • Publication number: 20190367842
    Abstract: Described herein is a formulation including (A) at least one nonionic surfactant, (B) at least one graft copolymer formed from (a) at least one graft base selected from nonionic monosaccharides, disaccharides, oligosaccharides and polysaccharides, and side chains; and (C) a total of zero to 0.5% by weight of methylglycinediacetic acid (MGDA) and glutaminediacetic acid (GLDA) and alkali metal salts of MGDA and GLDA and a total of zero to 0.5% by weight of citric acid or an alkali metal salt of citric acid, where figures in % by weight are based in each case on a solids content of the formulation in question.
    Type: Application
    Filed: November 8, 2017
    Publication date: December 5, 2019
    Inventors: Holger Tuerk, Heike Weber, Ditmar Kischkel, Juergen Franke
  • Publication number: 20120245070
    Abstract: Disclosed is the use of alkyl(oligo)glycosides based on selected branched fatty alcohols as hydrotropic agents, preferably for use in cleaning agents, in particular agents for automatic dish washing.
    Type: Application
    Filed: November 26, 2010
    Publication date: September 27, 2012
    Applicant: Cognis IP Management GmbH
    Inventors: Rainer Eskuchen, Sabine Both, Arnold Benert, Ditmar Kischkel
  • Publication number: 20100173818
    Abstract: A solid composition including 0.1 to 99% by weight of a cationic polymer having dye-transfer-inhibiting and/or dye-fixing properties and 99.9 to 1% by weight of an anionic surfactant is provided. A composition including (a) 0.1 to 99% by weight polydiallyl dialkyl ammonium compounds; (b) 1 to 90% by weight anionic surfactants; (c) 0 to 20% by weight soap; and (d) 0 to 35% by weight nonionic surfactants is also provided. A method for the preparation of solid detergents includes combining 0.1 to 99% by weight of a cationic polymer having dye-transfer-inhibiting and/or dye-fixing properties and 99.9 to 1% by weight of an anionic surfactant, and adding to a detergent.
    Type: Application
    Filed: August 8, 2006
    Publication date: July 8, 2010
    Inventors: Ditmar Kischkel, Manfred Weuthen, Rolf Wachter, Rainer Eskuchen
  • Publication number: 20100120655
    Abstract: Clear liquid detergents can be produced by adding water-soluble inorganic salts, wherein the agents may comprise non-ionic surfactants, cationic polymers having a charge density of at least 5 meq/g, measured at a pH value of 8, soaps, and anionic surfactants at the same time.
    Type: Application
    Filed: December 8, 2007
    Publication date: May 13, 2010
    Applicant: COGNIS IP MANAGEMENT GMBH
    Inventors: Ditmar Kischkel, Manfred Weuthen, Thomas Krohnen
  • Patent number: 7375071
    Abstract: Liquid compositions containing one or more anionic surfactants in combination with one or more polydiallyl dialkyl ammonium compounds or derivatives or copolymers thereof, these compositions being suitable for the production of liquid laundry detergents, preferably for dye-transfer-inhibiting liquid color-protecting detergents.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: May 20, 2008
    Assignee: Cognis IP Management GmbH
    Inventors: Ditmar Kischkel, Manfred Weuthen, Rolf Wachter, Joerg Schad
  • Patent number: 7186678
    Abstract: A process for making a surfactant composition having an improved dissolution rate in cold water involving: (a) providing a hydroxy mixed ether surfactant; (b) providing a disintegrator component; and (c) granulating and compacting the hydroxy mixed ether surfactant in the presence of the disintegrator component.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: March 6, 2007
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Ditmar Kischkel, Michael Elsner
  • Patent number: 7091168
    Abstract: An aqueous laundry detergent composition containing a hydroxy mixed ether.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: August 15, 2006
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Michael Elsner, Ditmar Kischkel
  • Patent number: 7087570
    Abstract: Detergent tablets comprising surfactant granules obtained by granulation and compaction of a nonionic surfactant, selected from the group consisting of hydroxy mixed ethers, in the presence of a disintegrant, are described.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: August 8, 2006
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Ditmar Kischkel, Michael Elsner
  • Patent number: 7049279
    Abstract: A process for making surfactant granules involving: (a) providing a surfactant component selected from the group consisting of a surface-active protein, a surface-active protein derivative, and mixtures thereof; (b) providing a disintegrator component; (c) combining the surfactant component and the disintegrator component to form a surfactant mixture; and (d) granulating and compacting the surfactant mixture to form the surfactant granules.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: May 23, 2006
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Ditmar Kischkel
  • Publication number: 20060079432
    Abstract: A process for making a surfactant composition having an improved dissolution rate in cold water involving: (a) providing a hydroxy mixed ether surfactant; (b) providing a disintegrator component; and (c) granulating and compacting the hydroxy mixed ether surfactant in the presence of the disintegrator component.
    Type: Application
    Filed: August 25, 2005
    Publication date: April 13, 2006
    Inventors: Manfred Weuthen, Ditmar Kischkel, Michael Elsner
  • Publication number: 20060074005
    Abstract: The invention relates to liquid water-based compositions containing anionic surfactants in combination with polydiallyl dimethyl ammonium chloride or derivatives thereof, these compositions being suitable for the production of liquid laundry detergents, preferably for liquid color detergents.
    Type: Application
    Filed: October 4, 2005
    Publication date: April 6, 2006
    Inventors: Ditmar Kischkel, Manfred Weuthen, Rolf Wachter, Joerg Schad
  • Patent number: 7022662
    Abstract: The invention relates to surfactant mixtures of hydroxy mixed ethers and polymers, optionally together with typical ingredients of dishwashing detergents and cleaners and optionally other nonionic surfactants and anionic surfactants and to the use of such surfactant mixtures for the preparation of cleaning solutions with improved performance against resoiling.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: April 4, 2006
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Ditmar Kischkel, Manfred Weuthen, Michael Elsner
  • Patent number: 6977239
    Abstract: A detergent tablet composition containing surfactant granules made by a process involving: (a) providing a surfactant component selected from the group consisting of a surface-active protein, a surface-active protein derivative, and mixtures thereof; (b) providing a disintegrator component; (c) combining the surfactant component and the disintegrator component to form a surfactant mixture; and (d) granulating and compacting the surfactant mixture to form the surfactant granules.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: December 20, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Ditmar Kischkel
  • Publication number: 20050245426
    Abstract: Solid laundry detergents, dishwashing detergents and cleaners which are obtained by combining nonionic surfactants with a melting point in the range from 35 to 70° C. and a viscosity, measured in accordance with the Brookfield method (10 rpm, spindel 1, temperature 10° C. above melting point), of less than 5000 mPas, and inorganic or organic carriers are described.
    Type: Application
    Filed: April 4, 2005
    Publication date: November 3, 2005
    Inventors: Ditmar Kischkel, Manfred Weuthen, Michael Elsner
  • Patent number: 6936581
    Abstract: Processes are described for preparing anhydrous detergent granules, wherein the processes comprise: (a) providing an alk(en)yl oligoglycoside composition having a residual fatty alcohol content; (b) reducing the fatty alcohol content of the composition to 30% by weight or less to provide a reduced alcohol content alk(en)yl oligoglycoside; and (c) combining the reduced alcohol content alk(en)yl oligoglycoside with one or more detergent additives.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: August 30, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Rainer Eskuchen, Manfred Weuthen, Ditmar Kischkel, Tycho Michel, Bernhard Gutsche
  • Patent number: 6919305
    Abstract: Solid laundry detergents, dishwashing detergents and cleaners which are obtained by mixing gemini surfactants of the formula (I), R1CH(OH)CHR3(OCH2CH2)nOCHR4CH(OH)R2??(I) in which R1 and R2,independently of one another, are linear or branched alkyl and/or alkenyl radicals having 4 to 22 carbon atoms, R3 and R4, independent of one another, each represents a hydrogen or an alk(en)yl radical having from 1 to 22 carbon atoms and n is a number from 5 to 400, with inorganic or organic carriers.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: July 19, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Ditmar Kischkel, Manfred Weuthen, Michael Elsner
  • Patent number: 6903066
    Abstract: Processes for preparing light-colored alkyl and/or alkenyl oligoglycoside mixtures are disclosed. The processes disclosed include providing an initial mixture of an alk(en)yl oligoglycoside and a rheology-modifying agent, the mixture having a viscosity of from 10 to 1000 mPas at a temperature of from 85 to 130° C., and a water content of less than 2% by weight, based on the alk(en)yl oligoglycoside; and bleaching the initial mixture at a temperature of from 85 to 130° C. to form a light-colored surfactant mixture having a water content of less than 2% by weight, based on the alk(en)yl oligoglycoside. Also disclosed is the use of such mixtures in cleaning compositions, such as detergents, washing and dishwashing compositions.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: June 7, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Ditmar Kischkel, Werner Leinemann, Rainer Eskuchen, Michael Koehler, Manfred Weuthen
  • Patent number: 6897193
    Abstract: Solid composition useful for the production of dishwashing, laundry or cleaning compositions are comprised of (a) a hydroxy mixed ether of the formula (I) wherein R1 is a linear or branched alkyl group having from 2 to 18 carbon atoms, R2 is hydrogen or a linear or branched alkyl group having from 2 to 18 carbon atoms, R3 is a linear or branched alkyl and/or alkenyl group having from 1 to 22 carbon atoms, each of n1 and n2 independently is a number from 0 to 60 and m is 0 or a number from 0.5 to 5, with the provisos that the total number of carbon atoms in the substituents R1 and R2 is at least 6 and the sum (n1+m+n2) is greater than 0; and (b) a polymer. The compositions according to the invention can optionally contain additional nonionic surfactants, carriers, auxiliaries and additives typically found in laundry detergents, dishwashing detergents and cleaning compositions.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: May 24, 2005
    Assignee: Cognis Deutschland GmbH & Co., KG
    Inventors: Ditmar Kischkel, Manfred Weuthen, Michael Elsner
  • Patent number: 6797687
    Abstract: Mixtures comprising: (a) a gemini surfactant of the formula (I) R1—CHOH—CH2—[OCH2CH2]x—O—CH2—CHOH—R  (I) wherein each of R and R1 is a linear or branched alkyl and/or alkenyl group having from 4 to 22 carbon atoms and x is a number from about 5 to about 400; (b) polyethylene glycol are useful as components in laundry detergents, dishwashing detergents and cleaners and for improving the wetting behavior on various surfaces.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: September 28, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Ditmar Kischkel, Hans-Christian Raths, Manfred Weuthen, Michael Elsner