Patents by Inventor Manfred Weuthen

Manfred Weuthen 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: 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
  • Publication number: 20060120987
    Abstract: The invention relates to the use of film-forming cationic biopolymers for improving the dermatological compatibility of manual dishwashing detergents. Chitosan or chitosan derivatives are preferably used for this purpose, preferably in the absence of anionic surfactants.
    Type: Application
    Filed: November 10, 2005
    Publication date: June 8, 2006
    Inventors: Claudia Panzer, Manfred Weuthen, Rolf Wachter
  • 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: 20060089295
    Abstract: The invention relates to the use of polyolalkyl ethers in detergents and as rinse agents for automatic dish detergents, particularly for multifunctional dish detergents. Preferred polyolalkyl ethers correspond to general formula (I): in which R1, R2, R3 and R4 independently of one another represent OR5, CH2—OR5, OH, CH3, C2H5 or H, the substituents R5 independently of one another representing a hydrogen atom or a saturated, unsaturated, branched or unbranched hydroxyalkyl or hydroxyalkenyl group containing 10 to 22 carbon atoms.
    Type: Application
    Filed: October 7, 2005
    Publication date: April 27, 2006
    Inventors: Corinna Boehme, Hans-Christian Raths, Manfred Weuthen, Thomas Albers
  • 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: 6951838
    Abstract: A detergent composition containing: (a) an anionic surfactant selected from the group consisting of an alkylbenzenesulfonate, an alkyl sulfate, a soap, an alkanesulfonate, an olefinsulfonate, a methyl ester sulfonate, and mixtures thereof; (b) a non-enzymatic protein and/or derivative thereof; (c) a phosphate; (d) a disintegrating agent; an (e) optionally, a co-surfactant selected from the group consisting of a nonionic surfactant, an amphoteric surfactant, and mixtures thereof, and wherein the detergent composition is in a solid form.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: October 4, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Bernd Fabry
  • 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
  • Publication number: 20050058700
    Abstract: The invention relates to the use of liposomes, particularly liposomes based on soybean oil lecithins, for finishing textiles and fibers, a key aspect of the invention being that, besides a fiber-care effect, skin-friendly substances are transferred by liposome-finished fibers or textiles to the skin from those fibers or textiles.
    Type: Application
    Filed: August 25, 2004
    Publication date: March 17, 2005
    Inventors: Rolf Wachter, Manfred Weuthen, Claudia Panzer, Erik Paff
  • Patent number: 6831052
    Abstract: Cleaning compositions containing hydroxy mixed ethers of the general formula (I) are described: R1O[CH2CHR4O]x[CH2CHR3O]yCH2CH(OH)R2  (I) wherein R1 represents an alk(en)yl radical having from 4 to 22 carbon atoms; R2 represents an alk(en)yl radical having from 2 to 22 carbon atoms; R3 represents a hydrogen or a methyl radical; R4 represents a hydrogen or a methyl radical; x is from 1 to 40; y is from 1 to 40; and x+y>=1; and wherein the alkylene units —CH2CHR3O— and —CH2CHR4O— are in randomized form, preferably in an ethylene oxide to propylene oxide ratio of from 40:1 to 40:5. Methods of preparing and using the hydroxy mixed ethers are also described.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: December 14, 2004
    Assignee: Cognis Deutschland GmbH
    Inventors: Manfred Weuthen, Hans-Christian Raths, Michael Elsner
  • Patent number: 6812201
    Abstract: Surfactant mixtures comprising (a) a nonionic surfactant mixture present in an amount greater than 60% by weight, based on the weight of the surfactant mixture, the nonionic surfactant mixture comprising: (i) at least one alk(en)yl oligoglycoside of the general formula (I), R1O—[G]p  (I) wherein R1 represents an alk(en)yl radical having from 4 to 22 carbon atoms, G represents a sugar radical having 5 or 6 carbon atoms and p represents a number from 1 to 10; and (ii) at least one nonionic surfactant of the general formula (II) R2O(CH2CHRO)xH  (II) wherein x represents a number of from 1 to 30, each R independently represents a substituent selected from the group consisting of a hydrogen, a methyl group and an ethyl group, and R2 represents a linear alkyl radical having from 16 to 22 carbon atoms; and (b) up to 6% by weight, based on the weight of the surfactant mixture, of one or more anionic surfactants; are described.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: November 2, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Karl Heinz Schmid
  • Patent number: 6805141
    Abstract: A rinse agent composition containing: (a) a gemini surfactant corresponding to formula I: R—CHOH—CH2—[OCH2CH2]x—O—CH2—CHOH—R  (I) wherein R is a linear or branched alkyl and/or alkenyl radical having from about 4 to 22 carbon atoms, and x is a number from about 5 to 90; and (b) a fatty alcohol alkoxylate corresponding to formula II: R1O[CH2(CH3)CHO]q(CH2CH2O)rH  (II) wherein R1 is a linear or branched alkyl and/or alkenyl group having from about 4 to 22 carbon atoms, and q is a number up to about 10, and r is a number from about 1 to 50, and wherein (a) and (b) are present in the composition in a ratio by weight of from about 1:1 to 4:1.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: October 19, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Michael Elsner, Ditmar Kischke, Manfred Weuthen
  • 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
  • Patent number: 6797399
    Abstract: A cleansing article having a substrate capable of absorbing and retaining a fluid therein, the substrate being impregnated with a cleaning composition containing a mixed ether.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: September 28, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Michael Elsner, Anja Hanke