Patents Represented by Attorney Andrew D. Sorensen

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  • Heterogeneous cleaning composition
    Patent number: 7572759
    Abstract: A heterogenous cleaning composition comprises more than 75 wt % active ingredients, the active ingredients comprising at least about 20 wt % surfactant and at least about 20 wt % sequestrant, wherein the composition comprises at least one liquid and at least one powder.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: August 11, 2009
    Assignee: Ecolab Inc.
    Inventors: David A. Fine, Terry J. Klos, Gretchen L. King, Richard D. Stardig
  • Medium chain peroxycarboxylic acid compositions
    Patent number: 7569232
    Abstract: The present invention relates to compositions including medium chain peroxycarboxylic acid, methods for making these compositions, and methods for reducing the population of a microorganism. The compositions can include advantageously high levels of the medium chain peroxycarboxylic acid, can be readily made, and/or can exhibit reduced odor.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: August 4, 2009
    Assignee: Ecolab Inc.
    Inventors: Victor Fuk-Pong Man, Joshua Paul Magnuson, Steven Eugene Lentsch
  • Stable liquid enzyme compositions
    Patent number: 7569532
    Abstract: The present invention relates to a liquid enzyme cleaning composition in which the enzyme is stable at alkaline pH and: at high concentration of boric acid salt; in the absence of sodium ion; and/or in the presence of at least about 40 wt-% water. In an embodiment, water is present at concentrations of at least about 60 weight percent. The present enzyme cleaning composition typically yields superior soil (especially protein soil) removal properties. In an embodiment, the composition of the invention stabilizes the enzyme with potassium and/or alkanolamine borate.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: August 4, 2009
    Assignee: Ecolab Inc.
    Inventors: Victor F. Man, Steven E. Lentsch, Nathan D. Peitersen, Amy B. McBroom, Paul F. Schacht, Rick O. Ruhr, Jaclyn Tilleskjor
  • Stable liquid enzyme compositions with enhanced activity
    Patent number: 7553806
    Abstract: The present invention relates to a liquid enzyme cleaning composition in which the enzyme is stable at alkaline pH and: at high concentration of boric acid salt; in the absence of sodium ion; and/or in the presence of water at concentrations of at least about 60 weight percent. The present enzyme cleaning composition typically yields superior soil (especially protein soil) removal properties. In an embodiment, the composition of the invention stabilizes the enzyme with potassium and/or alkanolamine borate.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: June 30, 2009
    Assignee: Ecolab Inc.
    Inventors: Victor Fuk-Pong Man, Steven Eugene Lentsch, Jaclyn Tilleskjor
  • Apparatus and method for making a peroxycarboxylic acid
    Patent number: 7547421
    Abstract: The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which can increase the life, activity, and/or safety of the reaction catalyst. The peroxycarboxylic acid compositions made by the method and apparatus can include one or more peroxycarboxylic acids.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: June 16, 2009
    Assignee: Ecolab Inc.
    Inventors: David D. McSherry, Richard K. Staub, Dan Tallman, Junzhong Li, Keith D. Lokkesmoe
  • Method for treating feedwater
    Patent number: 7537705
    Abstract: A method for treating feedwater is provided. The method includes steps of introducing a treatment composition into a feedwater stream to provide a treated feedwater stream containing scale inhibitor at a concentration of at least about 0.1 ppm, and combining the treated feedwater stream with a detersive composition. The scale inhibitor can include a phosphate scale inhibitor, a carbonate scale inhibitor, or a combination of a phosphate scale inhibitor and a carbonate scale inhibitor. The detersive composition can be provided as a cleaning composition, a rinse agent composition, or a drying agent composition. A treatment composition and an apparatus for treating feedwater are provided.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: May 26, 2009
    Assignee: Ecolab Inc.
    Inventors: Ellen Voeller, legal representative, Michael E. Besse, Brenda L. Tjelta, William G. Mizuno
  • Warewashing composition for use in automatic dishwashing machines comprising an aluminum/zinc ion mixture
    Patent number: 7524803
    Abstract: A warewashing detergent composition is provided according to the invention. The warewashing detergent composition includes a cleaning agent, an alkaline source, and a corrosion inhibitor. The cleaning agent comprises a detersive amount of a surfactant. The alkaline source is provided in an amount effective to provide a use solution having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. Methods for using and manufacturing a warewashing detergent composition are provided.
    Type: Grant
    Filed: January 30, 2007
    Date of Patent: April 28, 2009
    Assignee: Ecolab Inc.
    Inventors: Steven E. Lentsch, Michael J. Bartelme, Victor F. Man, Burton M. Baum, Terence P. Everson
  • Solid, two part chemical concentrate
    Patent number: 7517846
    Abstract: The invention is a solid chemical concentrate system of at least two cooperative shapes. The first shape is an inwardly curved bar having an inner opening. The second shape is an insert which is capable of interlocking with the bar by insertion into the bar inner opening. The solid chemical concentrate provides chemical systems having active constituents which may be the same, different but compatible or functionally and chemically incompatible combined within one matrix to provide at least one substantially continuous surface. The system may also comprise an aqueous soluble or dispersible polymeric film cover.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: April 14, 2009
    Assignee: Ecolab Inc.
    Inventors: Elizabeth J. Gladfelter, Tina O. Outlaw, James L. Copeland, Rhonda K. Schulz, Daniel K. Boche, Jeff W. Peterson
  • Methods for washing carcasses, meat, or meat products with medium chain peroxycarboxylic acid compositions
    Patent number: 7507429
    Abstract: The present invention relates to methods for reducing microbial contamination on carcass, meat, or meat product; or on surfaces used in processing the carcass, meat, or meat product; employing compositions including medium chain peroxycarboxylic acid, and to the compositions. The methods include applying a medium chain peroxycarboxylic acid composition to carcass, meat, meat product or surface.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: March 24, 2009
    Assignee: Ecolab Inc.
    Inventors: Victor Fuk-Pong Man, Joshua Paul Magnuson
  • Methods for washing poultry during processing with medium chain peroxycarboxylic acid compositions
    Patent number: 7504123
    Abstract: The present invention relates to methods for reducing microbial contamination on poultry, or on surfaces used in processing poultry, employing compositions including medium chain peroxycarboxylic acid, and to the compositions. The methods include applying a medium chain peroxycarboxylic acid composition to poultry or to the surfaces.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: March 17, 2009
    Assignee: Ecolab Inc.
    Inventors: Victor Fuk-Pong Man, Joshua Paul Magnuson, John D. Hilgren
  • Methods for washing carcasses, meat, or meat product with medium chain peroxycarboxylic acid compositions
    Patent number: 7504124
    Abstract: The present invention relates to methods for reducing microbial contamination on carcass, meat, or meat product; or on surfaces used in processing the carcass, meat, or meat product; employing compositions including medium chain peroxycarboxylic acid, and to the compositions. The methods include applying a medium chain peroxycarboxylic acid composition to carcass, meat, meat product or surface.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: March 17, 2009
    Assignee: Ecolab Inc.
    Inventors: Victor Fuk-Pong Man, Joshua Paul Magnuson
  • Methods for washing poultry during processing with medium chain peroxycarboxylic acid compositions
    Patent number: 7498051
    Abstract: The present invention relates to methods for reducing microbial contamination on poultry, or on surfaces used in processing poultry, employing compositions including medium chain peroxycarboxylic acid, and to the compositions. The methods include applying a medium chain peroxycarboxylic acid composition to poultry or to the surfaces.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: March 3, 2009
    Assignee: Ecolab Inc.
    Inventors: Victor Fuk-Pong Man, Joshua Paul Magnuson, John D. Hilgren
  • Multiple enzyme cleaner for surgical instruments and endoscopes
    Patent number: 7491362
    Abstract: The liquid composition is based on surfactants and enzymes, and is particularly useful for manual cleaning of instruments. In manual and ultrasonic application the composition in use concentration shows low foaming and gives a cleaning solution which is not cloudy at least at a temperature in the range from 16° C. to 40° C. In addition, the composition has good cleaning efficiacy over a broad temperature range (20 to 55° C.) and shows good material compatibility.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: February 17, 2009
    Assignee: Ecolab Inc.
    Inventors: Laurence Geret, Carola Stingl, Silke Denzin
  • Light trap for insects
    Patent number: 7469499
    Abstract: Several embodiments of an insect trap using attractant light displayed on a projection surface are disclosed. The insect trap can be mounted on a vertical surface or on a ceiling surface. The wall-mounted housing forms an upwardly facing opening for facilitating entry of flying insect pests and for the reflection of light onto the vertical surface. The ceiling-mounted housing has a lateral opening for facilitating entry of pests and for reflection of light onto the ceiling and/or opposite wall. Insects that enter the trap are immobilized on an adhesive surface within the trap. A method of trapping insects is also disclosed.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: December 30, 2008
    Assignee: Ecolab Inc.
    Inventors: Thomas D. Nelson, Douglas G. Anderson
  • Method of inactivating prions
    Patent number: 7470655
    Abstract: The invention pertains to a method of inactivating prions located on surfaces. In an embodiment, the invention pertains to a method of inactivating prions located on surfaces using a composition including a peracid. In an embodiment, the invention pertains to a method of inactivating prions located on surfaces using a composition including a peracid and a surfactant. The composition may comprise additional functional ingredients.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: December 30, 2008
    Assignee: Ecolab Inc.
    Inventors: Holger Biering, Thomas Merz, Bernhard Meyer, Friedrich Von Rheinbaben
  • Low foaming washing liquid
    Patent number: 7468346
    Abstract: A low-foaming, liquid composition is disclosed. Methods of making and using the low-foaming, liquid composition are also disclosed.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: December 23, 2008
    Assignee: Ecolab Inc.
    Inventors: Joseph Thekkekandam, Anna Starobin, Frank Lama
  • Lubricant concentrate based on alcohols
    Patent number: 7462584
    Abstract: Lubricant concentrate for conveyors containing at least one alcohol component not containing nitrogen, selected from monohydroxy, dihydroxy and trihydroxy compounds as well as their esters and ethers, and in addition at least one further component selected from a) nitrogen-containing, organic, preferably aliphatic compounds with fewer than 14 C atoms in the molecule and fewer than 8 C atoms in the molecule directly joined to one another, and/or b) an organic acid with 1 to 18, preferably 1 to 10 C atoms in the molecule.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: December 9, 2008
    Assignee: Ecolab Inc.
    Inventors: Stefan Küpper, Michael Schneider
  • Fabric treatment compositions comprising ester quats and fatty amides and methods for treating fabric in a dryer
    Patent number: 7456145
    Abstract: A fabric treatment composition is provided. The fabric treatment composition includes a fabric treatment agent and a carrier component for containing the fabric treatment agent in a solid form during operation conditions in a dryer. The fabric treatment composition is constructed for transferring the composition to wet fabric as a result of solubilizing the fabric treatment composition by contacting the fabric treatment composition with the wet fabric during a drying operation in a dryer. A method for treating fabric is provided.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: November 25, 2008
    Assignee: Ecolab Inc.
    Inventors: Steven E. Lentsch, Victor F. Man, Jaclyn J. Tilleskjor, Stephan M. Hubig, Terry J. Klos
  • Fragrance dispenser for a dryer and a method for dispensing fragrance onto fabric in a dryer
    Patent number: 7452855
    Abstract: A fragrance dispenser is provided according to the invention. A fragrance dispenser is provided for use in a dryer for dispensing a fragrance onto fabric or laundry dried in the dryer. The fragrance dispenser includes a mixture of a carrier component and a fragrance component so that the fragrance dispenser is provided in a solid form. The carrier component and the fragrance component are selected so that, when the fragrance dispenser is placed in a dryer and contacts fabric being dried during a drying cycle at a temperature of up to about 170° F., the carrier component does not flow onto the fabric and the fragrance component dispenses in an amount sufficient to impart a residual fragrance to the fabric. A method for dispensing fragrance onto fabric in a dryer is provided.
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: November 18, 2008
    Assignee: Ecolab Inc.
    Inventors: Stephan M. Hubig, Jaclyn Joy Steep
  • Bottle
    Patent number: D592517
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: May 19, 2009
    Assignee: Ecolab Inc.
    Inventor: Michael Brown