Patents by Inventor Michael Elsner

Michael Elsner 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: 7811596
    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 hydroxy mixed ether.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: October 12, 2010
    Assignee: Cognis IP Management GmbH
    Inventors: Manfred Weuthen, Michael Elsner, Anja Hanke
  • 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
  • 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
  • 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
  • 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: 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: 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: 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: 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: 6797400
    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 linear and/or branched alcohol polyglycol 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
  • 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
  • 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
  • Publication number: 20040186038
    Abstract: Solid laundry detergents, dishwashing detergents and cleaners which are obtained by mixing gemini surfactants of the formula (I),
    Type: Application
    Filed: January 28, 2004
    Publication date: September 23, 2004
    Inventors: Ditmar Kischkel, Manfred Weuthen, Michael Elsner
  • Patent number: 6794345
    Abstract: The invention relates to gemini surfactants, optionally in combination with ingredients customary in dishwashing detergents and cleaners, optionally with further nonionic surfactants and anionic surfactants, and to the use of such gemini surfactants for improving the wetting behavior and the compatibility with plastics, for the simplified preparation of solid cleaners and as foam-suppressing surfactant in rinse aid formulations.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: September 21, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Michael Elsner, Manfred Weuthen, Hans-Christian Raths
  • Patent number: 6777384
    Abstract: The invention relates to gemini surfactants, optionally in combination with ingredients customary in laundry detergents, dishwashing detergents and cleaners, optionally with further nonionic surfactants and anionic surfactants, and to the use of such gemini surfactants for improving the wetting behavior and the compatibility with plastics, for the simplified preparation of solid cleaners and as foam-suppressing surfactant in rinse aid formulations.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: August 17, 2004
    Assignee: Cognis Deutschland GmbH & Co., KG
    Inventors: Hans-Christian Raths, Manfred Weuthen, Michael Elsner
  • Patent number: 6732748
    Abstract: A rinse aid composition containing: (a) a hydroxy mixed ether corresponding to formula I: R1O[CH2CHR2O]x[CH2CHR3O]yCH2CH(OH)R4  (I) wherein R1 is an alkyl and/or alkenyl group containing from about 4 to 22 carbon atoms, R2 is hydrogen or a methyl or an ethyl group, R3 is hydrogen or a methyl or an ethyl group, R4 is an alkyl group containing from about 2 to 22 carbon atoms, x is a number up to 30, y is a number up to 30, and x+y is greater than or equal to 1; (b) an alkyl and/or alkenyl oligoglycoside corresponding to formula II: R5O—[G]p  (II) wherein R5 is an alkyl and/or alkenyl group containing from about 4 to 22 carbon atoms, G is a sugar unit containing 5 or 6 carbon atoms, and p is a number from 1 to 10; and (c) a nonionic co-surfactant, and wherein (a) and (b) are present in the composition in a ratio by weight of from about 10:0.1 to 1:10.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: May 11, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Joerg Kahre, Michael Elsner, Rita Koester, Karl Heinz Schmid
  • Patent number: 6666217
    Abstract: A cleaning composition containing 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.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: December 23, 2003
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Michael Elsner, Manfred Weuthen, Hans-Christian Raths
  • Publication number: 20030171243
    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) 1
    Type: Application
    Filed: December 17, 2002
    Publication date: September 11, 2003
    Inventors: Ditmar Kischkel, Manfred Weuthen, Michael Elsner