Patents Assigned to Ecolab
  • Self indicating antimicrobial chemistry
    Patent number: 11576378
    Abstract: Self-indicating chemistries are provided for visual detection by a user of efficacious levels of peroxycarboxylic acid concentrations in a solution produced in situ. The self-indicating chemistries include a combination of dyes providing a visual color indication, such as a tri-color indicator system, such as a yellow, green, and red color system indicating in situ threshold levels of peroxycarboxylic acid concentrations in a solution employing the self-indicating chemistry. Systems, kits and compositions for a quantitative assessment of an in situ perhydrolysis reaction to generate peroxycarboxylic acids are provided. Methods of use are further provided.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 14, 2023
    Assignee: Ecolab USA Inc.
    Inventors: David D. McSherry, Junzhong Li, Richard Staub
  • Low-foaming warewash detergent containing mixed cationic / nonionic surfactant system for enhanced oily soil removal
    Patent number: 11572531
    Abstract: The invention includes ware detergent compositions which provides superior cleaning and removal of oily and fatty soils, without the production of excessive foam. According to the invention applicants have discovered that use of a quaternary cationic surfactant in combination with a nonionic low foaming surfactant can provide oily soil removal from ware that is superior to traditional warewash detergent formulations. Compositions for alkaline, preferably solid, warewash detergents are disclosed, as well as their use in dish machines and methods of manufacture.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: February 7, 2023
    Assignee: Ecolab USA Inc.
    Inventors: David Dotzauer, Richard Fu, Lisa M. Sanders, Monique Roerdink Lander, John Mansergh, Carter M. Silvernail, Matthew Luedtke
  • Process and method for reducing metal corrosion in water
    Patent number: 11572628
    Abstract: This disclosure relates to compositions and methods of reducing corrosion using benzimidazoles. The method may include adding a benzimidazole and a halogen to an aqueous system that is in contact with a metal surface. The halogen may be bromine, iodine, or any combination thereof. In some cases, adding the halogen may be optional depending on the substituents on the benzimidazole ring. Compositions are also disclosed that include a benzimidazole, optionally a halogen depending on the substituents on the benzimidazole ring, and optionally a halogen stabilizer.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: February 7, 2023
    Assignee: ECOLAB USA INC.
    Inventors: Yanjiao Xie, Jothibasu Seetharaman, James Joseph Michels, Frederick Swiecinski, Donald A. Johnson, Pradeep Cheruku
  • Controlling water levels and detergent concentration in a wash cycle
    Patent number: 11572652
    Abstract: Systems, apparatuses and methods for controlling the various phases and in particular in a wash cycle of a wash machine are provided. In particular, the present application relates to controlling the water levels and detergent composition concentrations in order to reduce the amount of water and composition required to provide improved soil removal. The systems, apparatuses and methods provided allow for the use of less water and lower quantities of more concentrated detergent compositions which are customized to the types of soil to be removed.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 7, 2023
    Assignee: Ecolab USA Inc.
    Inventors: Kaustav Ghosh, Lee Monsrud, Loan Paulson-Vu, Barry R. Taylor
  • Compositions and methods for removing soil from surfaces
    Patent number: 11566207
    Abstract: The present invention relates to a an aqueous composition for removing soils from a surface to be cleaned, formed from water, a detergent mixture and a rinse aid, wherein the detergent mixture comprises a peroxidation catalyst and wherein the rinse aid comprises an oxygen source. Such a composition may provide a more effective cleaning behaviour. The present invention further relates to a method for removing soil from a surface to be cleaned comprising applying to the surface to be cleaned a composition according to the invention.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: January 31, 2023
    Assignee: Ecolab USA Inc.
    Inventors: Tobias Neil Foster, Dirk Kullwitz, Beana Pathicheril
  • Use of di-ionic compounds as corrosion inhibitors in a water system
    Patent number: 11565958
    Abstract: Disclosed herein are the methods of using di-cationic or di-anionic compounds, which are derived from primary amine through an aza-Michael addition with an activated olefin, in a corrosion control composition to mitigate corrosion of a surface in a water system. The disclosed methods or compositions are found to be more effective than those methods or compositions including commonly used single quaternary compounds for mitigating corrosion for a metal surface in water systems.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: January 31, 2023
    Assignee: Ecolab USA Inc.
    Inventors: Ashish Dhawan, Jeremy Moloney, Carter M. Silvernail, Boyd A. Laurent
  • Use of propoxylated surfactant or polymer in foaming applications to control viscoelasticity in highly active liquid formulations
    Patent number: 11549083
    Abstract: Antimicrobial or non-antimicrobial compositions, sanitizing compositions and other compositions combining use of a propoxylated EO/PO block copolymer surfactant and/or propoxylated polymer in combination with at least one additional anionic and/or nonionic surfactant to provide concentrated compositions having a desired viscoelasticity at an active level of at least 18% are disclosed. Non-antimicrobial applications combining use of a propoxylated surfactant and/or propoxylated polymer in combination with at least one additional anionic and/or nonionic surfactant to provide compositions having a desired viscoelasticity are also disclosed. Methods of using concentrated and use compositions having desired foaming enhancement and stabilization are also disclosed.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: January 10, 2023
    Assignee: ECOLAB USA INC.
    Inventors: Victor Fuk-Pong Man, Derrick Richard Anderson, Amanda R. Blattner
  • Reduced inhalation hazard sanitizers and disinfectants via high molecular weight polymers
    Patent number: 11540512
    Abstract: The invention provides antimicrobial compositions having reduced inhalation risks by combining ammonium compounds and polymers in combination with optional acid components, surfactants and/or additional functional ingredients. The antimicrobial compositions which have a reduced risk of inhalation. Methods of making and employing the compositions are disclosed.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: January 3, 2023
    Assignee: Ecolab USA Inc.
    Inventors: Victor Fuk-Pong Man, Derrick Anderson
  • Mixed fatty acid soap/fatty acid based insecticidal, cleaning, and antimicrobial compositions
    Patent number: 11533911
    Abstract: The present disclosure relates to compositions including a fatty acid soap/fatty acid mixture, and methods of use thereof. The compositions include a C5 to C12 fatty acid or mixtures thereof. The compositions show increased activity, e.g., insecticidal, soil removal, antimicrobial activity, at a controlled pH range of about 7.5 to about 9.0.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: December 27, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Victor Fuk-Pong Man, Yvonne Marie Killeen, Michael Charles DeNoma, Kelly J. Herrera, S. John Barcay, William J. Pattison
  • Process for removal of selenium from water by dithionite ions
    Patent number: 11535537
    Abstract: A method for efficiently removal of oxidised selenium from liquid, such as FGD wastewater. The method involves adding a non-iron-based reducing agent (e.g. sodium dithionite) and preferably Fe(II) ions to the liquid at a pH of above 7.5 or 8 and precipitating elemental selenium from the liquid.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: December 27, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Tarun Kumar Bera, Jitendra T. Shah, Vaideeswaran Sivaswamy
  • Dispensing a solid chemistry using an adjustable turbulent flow technology manifold
    Patent number: 11534726
    Abstract: A method for obtaining a chemical concentration from a chemical composition and a fluid includes introducing the fluid through ports in a manifold diffuse member positioned adjacent a chemical composition and adjusting, with a fluid valve, characteristics of the flow of the fluid through the ports in the diffuser manifold to obtain and maintain a chemical concentration. The amount of liquid allowed through the ports modifies the turbulence of the liquid, thereby modifying the erosion rate of the chemical composition. An apparatus for adjusting characteristics of the flow of a fluid contacting a solid product to form a product chemistry includes a diffuser manifold having a manifold diffuse member comprising ports therethrough and a fluid valve for controlling the flow rate of a fluid moving through the plurality of ports and diverting the fluid through various flow paths.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: December 27, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Brian Doffing, Daniel Schwartz, Kayla Claassen, Ryan Jacob Urban
  • Method for onsite production of chlorine dioxide
    Patent number: 11535541
    Abstract: The methods disclosed generally relate to treatment of process water using chlorine dioxide. Specifically, reactants may be fed asynchronously into a diluent line or a tank where the reactants may mix and react to form chlorine dioxide. The chlorine dioxide levels may fluctuate in the diluent line or the tank thereby inhibiting or reducing the growth of microbes.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: December 27, 2022
    Assignee: ECOLAB USA INC.
    Inventor: Amit Gupta
  • Controller for a rinse water reuse system and methods of use
    Patent number: 11525200
    Abstract: A water reuse system and controller for controlling water levels, temperature, and quality in the rinse water reuse system and methods of using the same, in order to optimize water usage. More particularly, the application pertains to a controller and methods of using the controller to regulate water levels and water quality in a water reuse system. As part of detailing the controller and methods of using the same, an apparatus for a water reuse system is also provided.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: December 13, 2022
    Assignee: ECOLAB USA INC.
    Inventors: Lee Monsrud, Kaustav Ghosh, Barry R. Taylor, Loan Paulson-Vu, Brock Mueggenborg
  • Corrosion inhibitor formulation for geothermal reinjection well
    Patent number: 11525186
    Abstract: A method of inhibiting corrosion of a metal surface in contact with geothermal system is provided. The method may include contacting the metal surface with a corrosion inhibitor composition by adding the composition to geothermal process water. The corrosion inhibitor composition may include an organic phosphonate, an ortho phosphate, and zinc or a salt thereof.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: December 13, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Jothibasu Seetharaman, Santanu Banerjee, Dinesh Mantri
  • Accurate biocide dosing for low concentration membrane biofouling control applications
    Patent number: 11524909
    Abstract: Biocide can be controllably added to a feed stream for a membrane. In some examples, the feed stream is separated into a primary feed stream and a secondary feed stream, for example, with the secondary feed stream having a lower flow rate than the primary feed stream. The secondary feed stream may be used to monitor and control the addition of the biocide, which is then diluted when the secondary feed stream is combined with the primary feed stream to form a combined stream for delivery to the membrane.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: December 13, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Seong-Hoon Yoon, Geoff Townsend, Bruno C. M. Fernandes, Alessandra Gerli, Ana Urmenyi, Muhammad Tariq Khan
  • Alkaline cleaning composition and methods for removing lipstick
    Patent number: 11518962
    Abstract: Methods of cleaning waxy, oily and/or greasy soils, including lipsticks and lip gloss, are disclosed. Methods of removing lipstick and lip gloss stains in warewash and laundry applications are disclosed through application of cleaning compositions comprising long chain polyamines, namely C6-C20 polyamines having between 1 and 5 nitrogens.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: December 6, 2022
    Assignee: ECOLAB USA INC.
    Inventors: Jennifer Stokes, Carter M. Silvernail
  • Concentrated 2 in 1 dishmachine detergent and rinse aid
    Patent number: 11518961
    Abstract: Consumer and industrial 2-in-1 cleaning compositions providing both detergency and rinseability in a single cleaning composition are disclosed. Alkaline-based cleaning compositions containing a surface modification polymer and an alcohol alkoxylate nonionic surfactant, and methods of using the same provide user-friendly, solid, detergent compositions without the need for using a separate rinse aid composition.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: December 6, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Steven Lundberg, Monique Roerdink Lander
  • Dispersion of hexamine in non-aqueous glycerine
    Patent number: 11518947
    Abstract: The present disclosure generally relates to dispersions useful for scavenging hydrogen sulfide. The dispersions may be anhydrous and contain a solvent and a hydrogen sulfide scavenging compound. The hydrogen sulfide scavenging compound may be hexamine, for example. The solvent may be a C2-8 polyol, such as glycerin.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: December 6, 2022
    Assignee: ECOLAB USA Inc.
    Inventor: Kim R. Solomon
  • Measured dosing and spray bottle for multi-use applications and associated method of using
    Patent number: 11504729
    Abstract: Embodiments include a bottle and method for cleaning a grill. An exemplary method may be applied to grills having an upper grill and a lower grill. Methods can include providing a bottle having a dosing chamber with a first outlet, a reservoir chamber configured to store a solution and including a second outlet, and a sprayer for dispensing solution via the second outlet. The sprayer includes a spray head and a trigger that, when actuated, draws solution from the reservoir chamber and dispenses it by spraying the solution from the spray head. Methods can include filing the dosing chamber with a predetermined dose of solution from the reservoir chamber and dispensing the solution onto the lower grill from the first outlet, and dispensing the solution onto the upper grill by spraying the solution onto the upper grill from the second outlet.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: November 22, 2022
    Assignee: Ecolab USA Inc.
    Inventors: Candice J. Thomas, Robin B. Harbaugh
  • Method for conditioning and processing whole or thin stillage to aid in the separation and recovery of protein and oil fractions
    Patent number: 11504649
    Abstract: A method of processing thin stillage in an ethanol refining operation is provided. The method comprises treating thin stillage upstream of a concentration or evaporation step with an aid comprising a sorbitan ester of a fatty acid, an ethoxylated sorbitan ester of a fatty acid, or a combination thereof, thereby forming treated thin stillage. The aid may include at least one of sorbitan monooleate, polyoxyethylene sorbitan monostearate, and polyoxyethylene sorbitan monolaurate.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: November 22, 2022
    Assignee: ECOLAB USA Inc.
    Inventors: John H. Collins, David W. Scheimann, Jason S. Van't Hul, Philip M. Eastin